Class / Patent application number | Description | Number of patent applications / Date published |
209235000 | Special applications | 57 |
20080237095 | SUPERIMPOSED MOTION DRIVE - A vibratory separator including a frame, a screen configured to connect to the frame, a first actuator coupled to the frame, and a second actuator coupled to the frame, wherein the first actuator imparts a high frequency motion to the frame, and wherein the second actuator imparts a low frequency acceleratory motion to the frame is disclosed. Also, a method for processing drilling waste including imparting a low frequency acceleratory motion to a frame of a vibratory separator and imparting a high frequency motion over the low frequency acceleratory motion is also disclosed. | 10-02-2008 |
20090261023 | Method for the Classification of Water Absorbent Polymer Particles - A process for continuously classifying water-absorbing polymer beads by means of at least one screen, at least one screen having at least one guide device on the screen surface. | 10-22-2009 |
20090266747 | Method for Grading Water-Absorbent Polymer Particles - A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1. | 10-29-2009 |
20090277818 | COOLING AND CLASSIFYING APPARATUS FOR PELLETIZED PRODUCT PROCESSING - A cooler for particulate product includes a substantially enclosed housing. A first cooling screen is disposed in the housing and is configured to receive the product. The first cooling screen is configured to move the product along a surface by gravity when the first cooling screen vibrated. A duct is coupled to the first cooling screen to move cooling fluid through the first cooling screen. A second cooling screen is disposed in the housing below the first screen and is configured to receive the product after discharge from the first screen. The second screen is configured to move the particulate product along a surface when vibrated. A second duct is coupled to the second screen to move cooling fluid through the screen. A collector receives the particulate product after moving along a surface of the second screen. A vibrator is coupled to the housing and vibrates the housing. | 11-12-2009 |
20100025306 | ADJUSTABLE COAL SCREENING APPARATUS - A screening and sorting assembly for coal particles includes a bin for receiving crushed coal. The bin is provided with a weir over which the coal particles are passed onto a pivoted screen assembly having a plurality of openings therethrough for sorting the coal particles. A cam arrangement is provided for varying the angle of the screening assembly relative to the horizontal to vary the speed of flow of the coal particles downwardly over the screening assembly. | 02-04-2010 |
20100116720 | APPARATUS AND METHOD FOR SIFTING FEEDSTOCK - The invention relates to an apparatus for sifting feedstock, comprising: a. a static sifter that has a ventilated bottom which is oriented at an angle to the vertical and is penetrated by sifting gas; b. an inlet for feeding the feedstock to the ventilated bottom; c. an outlet for the coarse material; d. a dynamic sifter that is mounted downstream and encompasses at least one rotor with rotor blades and a horizontal rotor axis; e. at least one outlet for the sifting gas loaded with fine material; and f. a housing inside which the static and the dynamic sifter are arranged. The housing area surrounding the dynamic sifter is designed as a housing spiral such that the sifting gas flows against the rotor in a substantially tangential direction. The rotor rotates counter to the direction of flow of the sifting gas in the housing spiral. | 05-13-2010 |
20100122941 | SPIRAL MODUL FOR A TROMMEL SCREEN - The invention concerns a spiral module ( | 05-20-2010 |
20100219110 | Sifting Screens - A frame over which woven wire mesh is to be stretched and secured to form a sieving screen and which can be used to screen solids from drilling mud recovered from down-hole when drilling for oil or gas. The frame is a rectilinear moulded plastics frame having edge regions by which it is secured in place in a shaker. Within the frame is a plurality of rectilinear windows formed by an orthogonal array of intersecting ribs also of moulded plastics material. Some of the ribs are internally reinforced by rigid metal members which extend orthogonally between hollow box-section members which define a sub-frame for reinforcing the four edge regions of the frame. The orthogonal members are secured at their ends to the sub-frame. The ends of the sub-frame members are joined at the four corners of the sub-frame. In this way not are only the edge regions of the frame reinforced internally but so also are some of the orthogonally intersecting ribs, so as thereby to produce a rigid frame for the screen. The internal reinforcement for those ribs which are to be reinforced may comprise hollow box-section metal members which may be of similar cross section to that of the sub-frame members, or the internal reinforcement for those ribs which are to be reinforced comprises metal I-beam cross section members, which typically have the same height as the height of the box-section members forming the sub frame. | 09-02-2010 |
20110005979 | PROCESSING WASTE - A waste processing apparatus for separating a target material from other materials lighter than the target material and dust, and for classifying the target material into one or more fractions, comprising a housing having an opening for the input of waste, a first end and a second end; a first sieve screen positioned under the opening and extending between the first and second ends; a first channel, underneath the first sieve screen, for conveying a first air stream from a first channel inlet at the first end of the housing to a first channel outlet at the second end of the housing, the first air stream serving to entrain lighter materials and dust which have passed through the first sieve screen and transporting them to the first channel outlet; a vibrator operable to urge target material that has passed through the first sieve screen towards a first target material outlet at the first end of the housing; wherein the apparatus further comprises a barrier, located between the first sieve screen and the first air stream, comprising a plurality of spaced slats, each slat pointing downwardly in a direction having a component parallel to the first air stream which is in the direction of the first air stream. | 01-13-2011 |
20110073532 | Mechanized Screener - A mechanized screener including one or more wire mesh screens installed onto a bucket loader. The bucket loader used to scoop up gravel and dirt. While the gravel and dirt is in the bucket loader, the screen separates the gravel from the dirt. The bucket would be a mechanical one that could be operated with a tractor or other road construction machinery. | 03-31-2011 |
20110114542 | VIBRATORY SEPARATOR MOTION - A vibratory separator ( | 05-19-2011 |
20110215032 | VIBRATING SCREEN DEVICE HAVING MODULAR SCREENING MEDIA - A vibrating screen device for fractionizing stones and gravel includes a support structure, a plurality of carriers mounted on the support structure, and a plurality of screening mats removably mounted on the carriers in side-by-side relationship. Each carrier includes two upright beams forming a slot therebetween. Each screening mat has opposite end parts, wherein respective end parts of two adjacent screening mats are received in each slot. The beams and end parts include protrusions and grooves which are interconnected, and maintained in connection, by a wedge inserted into the slot between the end parts. | 09-08-2011 |
20110215033 | SCREENING MAT FOR VIBRATING SCREEN DEVICES - A screening media for use in vibrating screen devices that fractionize crushed stones or gravel. The screening media is made by extruding a fiber-reinforced rubber or polymeric material to form a strip in a length longer than that needed to make individual screening mats for use in the vibrating screen devices. Screening apertures are then punched in the strip, and the apertured strip is cut into individual mats. The extruded strip includes side portions configured to connect to support structures of the vibrating device. Prior to the cutting step, the apertured strip can be maintained in the form of a coil or a long-length element. | 09-08-2011 |
20110284430 | METHOD OF MANUFACTURING A ROTOR FOR A SCREENING APPARATUS, A ROTOR AND A TURBULENCE ELEMENT FOR A ROTOR - The present invention relates to a method of manufacturing a rotor for a screening apparatus and a rotor structure for a screening apparatus. The rotor structure is particularly suitable in screening fiber suspensions of the pulp and paper industry. The apparatus relates to a novel rotor construction, and especially to a novel means of fastening a turbulence element on the rotor surface. The rotor is provided with easily replaceable turbulence elements so that at least a part of the rotor has at least one area—having a surface configuration different from the remaining rotor surface, on which area the turbulence element is fastened. | 11-24-2011 |
20120018354 | Method of Separating Mill Scale from a fluid - A process of separating a fluid and mill scale particles from mill slag can include:
| 01-26-2012 |
20120024763 | SCREEN - The present invention relates to a method for the production of a screen and to a screen for the treatment of a fibrous material suspension suitable for the production of a fibrous material web, the screen including at least two screen layers that are connected to each other and have apertures, at least some of the apertures being arranged in such a way that the result is screen openings leading through the screen. The production of the screen is simplified in that some of the apertures are arranged in such a way that the result is recesses on the front side of the screen which do not pass through the screen, and at least the apertures forming the recesses are introduced into the screen layers before the latter are connected. | 02-02-2012 |
20120080361 | PARTICULATE NANOSORTING STACK - Methods and devices for isolating and sorting nanoparticles are disclosed herein. Nanopores of a desired size can be formed in silicon dioxide membranes and used as filters to separate nanoparticles. Devices are also provided herein for sorting nanoparticles with multiple filters having various sized nanopores. | 04-05-2012 |
20120103876 | Sand Sifter - The present invention is directed to a method and a vehicle designed for cleaning beaches that have been contaminated with substances such as tar balls. The device utilizes an inclined screen assembly on a vehicle and a pivoted hopper supported below the lower end of the inclined screen. As the trailer is on or moved along the beach, contaminated sand is placed on an upper portion of the screen. Sand falls through the screen back down to the beach surface but larger contaminants such as tar balls roll or slide down the screen into a collection hopper. The inclination of the screen assembly may be adjustable. | 05-03-2012 |
20120205293 | MANUFACTURE OF MICROSPHERES USING A HYDROCYCLONE - This disclosure features a system for processing microspheres. A vessel contains a suspension of solidified microspheres comprising polymer and an active agent. A hydrocyclone has a fluid inlet, a first fluid outlet and a second fluid outlet. The fluid inlet is in fluid communication with the vessel and receives the suspension. The second fluid outlet contains a flow of the suspension having concentrated microspheres. The first fluid outlet contains a flow of a relatively large amount of liquid compared to the flow from the second fluid outlet. Also featured is a method of processing the microspheres using the hydrocyclone. | 08-16-2012 |
20120205294 | PURIFICATION SYSTEMS AND METHODS - A method of preparing hydrogel particles includes applying a solution including a plurality of hydrogel particles to a stir cell. A retentate side of a filter defines a lower surface of the stir cell. The filter has the retentate side and a permeate side. The method further includes, while stirring the solution within the stir cell, dispensing a buffer solution at a first flow rate to the stir cell and drawing a permeate from the permeate side of the filter using a pump at a second flow rate, the permeate including a subset of the plurality of hydrogel particles. | 08-16-2012 |
20120205295 | SCREENING ROTOR ELEMENT - The present invention relates to a rotor element for use with a rotor and a rotor featuring such rotor elements. The rotor is used in a screening apparatus of the pulp and paper industry. The rotor element ( | 08-16-2012 |
20120234734 | MOBILE SCREEN DEVICE - A mobile screening device for the screening of soil and other materials has a chassis ( | 09-20-2012 |
20120273396 | APPARATUS AND METHOD FOR RECLAIMING ABRASIVE BLASTING MATERIAL AND SCREENING DEVICE FOR SEPARATING ABRASIVE BLASTING MATERIAL - An apparatus for reclaiming abrasive blasting material comprises a prime mover, a vacuum pump and a separator unit for separating the abrasive blasting material in the contaminated abrasive blasting material from contaminants. The vacuum pick-up draws the contaminated abrasive blasting material. The separator unit includes a screening device for separating and reclaiming the abrasive blasting material. The screening device comprises a support member having a longitudinal axis and a transverse axis, and an endless flexible screen belt mounted to the support member so as to be movable along an endless closed loop in the direction of the longitudinal axis. The screen belt has a plurality of openings being sized to allow particles of the abrasive blasting material of a desired size to fall therethrough by gravity and to prevent the contaminants larger than the abrasive blasting material from falling therethrough. | 11-01-2012 |
20120279907 | Classifying Kits - Classifying kits useful in separating gold, other precious metals, gems, collectable rocks, fossils, and archaeological artifacts from earth material. Classifying sieves and other parts of the classifying kits herein are configured to be used within a bucket and can readily be removable therefrom. Depending on the parts used and the goals of a user, the kits herein can be used with dry sifting methods or with water. | 11-08-2012 |
20120298563 | ROTARY PARTICLE SEPARATOR - A rotary particle separator for separating small particles from large particles is provided and includes an inclined rotary shaft having a first end and a second end. A particle bend is coupled to the elevated first end of the shaft. The particle bend has a bottom surface with a hole therethrough for gravity feed of material including the large particles and small particles from the bend along the shaft towards the second end. Annulae are spaced along the shaft with each of the annulae having a central aperture bounded by a ring that terminates in an annulae outer diameter. At least one paddle is interspersed between two adjacent annulae with at least one paddle positioned to rotate around the shaft. A screen mesh having a mesh size surrounds the annulae with a mesh size such that the small particles within the material are able to pass through the mesh and thereby leave larger particles preferentially segregated within the volume defined by the annulae spaced along the shaft. A large particle exhaust is provided proximal to the second end of the shaft after the particulate has traversed the annulae. | 11-29-2012 |
20120318720 | SAND CLEANING APPARATUS AND METHOD - In general terms, embodiments of the present invention relate to methods and apparatuses for cleaning, grooming, and otherwise maintaining sand and sandy surfaces. For example, some embodiments of the present invention provide an apparatus for cleaning a sandy surface, where the sandy surface includes unsifted sand, and where the unsifted sand includes sand and unwanted material. In some embodiments, the apparatus includes: (a) one or more frames; (b) a conveyor carried by the one or more frames and including a first portion and a second portion, where the conveyor is configured to transport the unsifted sand from the first portion towards the second portion; (c) at least one paddle carried by the one or more frames and configured to direct the unsifted sand from the sandy surface towards the conveyor; and (d) a sifter carried by the one or more frames and configured to: (i) receive the unsifted sand from the conveyor; (ii) prevent the unwanted material from passing through the sifter; and (iii) allow the sand to pass through the sifter. | 12-20-2012 |
20130015107 | Mechanically fastened digging and sifting scoop - A mechanically fastened digging and sifting scoop for digging and sifting objects from a medium is provided. The device includes a head, a means for manipulating the head, and a connection means. The connection means allows the combination of materials with different compositions to be mechanically fastened together. | 01-17-2013 |
20130062260 | GARBAGE SEPARATION AND RECOVERY MACHINE FOR BEACH CLEANING - A garbage separation and recovery machine for beach cleaning that has mobility and can perform a garbage separation and recovery work according to the situation is provided. The garbage separation and recovery machine has a drum type sieve body ( | 03-14-2013 |
20130092606 | APPARATUS FOR SCREENING FIBROUS SUSPENSIONS - In a screening device, a rotor element on a rotor coaxial with a cylindrical screen drum and a cylindrical screen including: an upper surface and a front face between the surface of the rotor and the upper surface, wherein the front face faces upstream into pulp flow through a gap between the screen drum and the cylindrical screen; a trailing surface extending downstream of the pulp flow from the upper surface, wherein the trailing surface tapers to the surface of the rotor and meets the surface of the rotor at a back region of the trailing surface, and opposite sidewalls extending between the trailing surface and the surface of the rotor, wherein the opposite sidewalls gradually converge towards the back region. | 04-18-2013 |
20130098809 | Method for Grading Water-Absorbent Polymer Particles - A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1. | 04-25-2013 |
20130105367 | GLUE PELLET SEPARATOR | 05-02-2013 |
20130105368 | SCREENING BUCKET | 05-02-2013 |
20130112599 | APPARATUS FOR SEPARATING TABLETS - An apparatus to separate broken tablets comprising: a sieve plate having at least one perforation; a cover plate which is distanced from the sieve plate by an amount suitable to permit only broken tablets below a certain predetermined size to pass through the at least one perforation; and a vibrating device which vibrates the sieve plate. | 05-09-2013 |
20130180896 | BEDDING MATERIAL SEPARATOR - A separator and method is provided for separating used bedding material into waste material and bedding material for re-use. The separator may comprise a frame, a plurality of elongate screening elements fixed to the frame and oriented in-line with a discharge end of the separator, and a rotatable actuator aligned transverse to the plurality of elongate screening elements. The rotatable actuator may have a non-circular cross-section and positioned such that when the rotatable actuator is rotated a greater radius portion of the cross-section is located to cause the plurality of elongate screening elements to deflect from a static position away from a rotational axis of the actuator, and a lesser radius portion of the cross-section is located to permit the elongate screening elements to return to the static position. | 07-18-2013 |
20130213862 | Classifying Kits - Classifying kits useful in separating gold, other precious metals, gems, collectable rocks, fossils, and archaeological artifacts from earth material. Classifying sieves and other parts of the classifying kits herein are configured to be used within a bucket and can readily be removable therefrom. Depending on the parts used and the goals of a user, the kits herein can be used with dry sifting methods or with water. | 08-22-2013 |
20130220895 | APPARATUS AND METHOD FOR PLANT RESINS EXTRACTION - Apparatus and method for extracting plant resin particulates by sifting plant materials using micron mesh filter media that can be quickly and easily installed and replaced. | 08-29-2013 |
20130220896 | WORK VEHICLE - There is provided a work vehicle having a wheel lock mechanism that is compactly disposed while avoiding an effect of surrounding sand. A wheel lock mechanism | 08-29-2013 |
20130256199 | SCREENING MACHINE FOR SCREENING OR REFINING GRAVEL, SAND OR THE LIKE - Disclosed is a screening machine for screening, preparing, or refining gravel, sand or other bulk material, including a machine body, a drive, operatively linked to the machine body, for generating a shaking and/or swinging motion, and at least one air bellows supporting the screening machine. | 10-03-2013 |
20130299395 | Hybrid Rotary Screen Separator - A rotary screen separator for processing feed material comprising liquids and solids, the rotary screen separator comprising a separator member, a collector structure, a drive system, and first and second vane structures. The separator member defines a first perforation region and a second perforation region. The collector structure defines a first material output and a second material output. The vane structures are supported relative to the separator member such that operation of the drive system to rotate the separator member causes the first vane structure to displace the feed material through the first perforation region at a first material displacement rate and the second vane structure to displace the feed material through the second perforation region at a second material displacement rate. The first material displacement rate is greater than the second material displacement rate. | 11-14-2013 |
20130306526 | METHOD AND APPARATUS FOR SEPARATING TOBACCO FROM CIGARETTE WASTE - A method of separating tobacco from cigarette waste using an apparatus comprising a revolving screen, in which the cigarette waste is fed onto the screen in order to be screened by gravity. The method includes relocating the cigarette waste over the surface of the screen, the relocation being aided by a scraper unit cooperating with the screen and the angular position of the screen in the apparatus relative to the horizontal plane being adjustable. An apparatus is also provided for separating tobacco from cigarette waste comprising a revolving screen which is adjustably mounted in such a way that the angular position of the screen in the apparatus relative to the horizontal plane is adjustable, provided with a scraper unit for aiding relocation of the cigarette waste on the surface of the screen during its rotational movement. | 11-21-2013 |
20140008273 | SUPPORT STRUCTURE HAVING FIXATION MEANS FOR SCREENING MEDIA - A support structure for supporting screening media in a vibrating screen. The support structure is received on longitudinal beams of the vibrating screen. The support structure is formed of fixation strips having fixation parts, on which fixation parts carriers are received. The fixation strips and carriers are placed perpendicular to each other. | 01-09-2014 |
20140021106 | Energy Efficient Topsoil Screener - The Green Screen is an environmentally friendly way to make topsoil. The Green Screen does not use gas, electricity, air compression or any external power source to operate. The operator simply shovels/moves dirt onto the screen whereby the springs/coils begin to bounce under the weight of the dirt, thus sifting out the topsoil by way of its own movement. The rocks and unwanted materials stay on top of the screen or roll forward, while all the topsoil has been separated out and is ready for distribution. | 01-23-2014 |
20140116927 | APPARATUS FOR RECOVERING GOLD AND TRANSPORTING GRAVEL - An apparatus is configured to recover gold and transport gravel. The apparatus includes a bucket attached to a higher pressure water feed and a lower pressure water line. A make-up water supply is connected to the higher pressure water feed. A classifier assembly is attached to the bucket and configured to filter larger material from smaller material. The smaller material includes gold particles and gravel. A gold concentrator plate is connected to the bucket and configured to segregate the gold particles from the gravel. Water enters the higher pressure water feed and travels through the make-up water supply running across the gold concentrator plate and causing gold particles to be caught in the gold concentrator plate. Water additionally travels through the lower pressure water line with the gravel transporting the gravel away from the bucket. | 05-01-2014 |
20140124416 | SCREEN PANEL WITH IMPROVED SCREENING AREA - A screen panel for mining and quarrying industries adapted to be mounted on a screen deck including at least a screening portion having one or more rider bars ( | 05-08-2014 |
20140158586 | PULP SCREEN ROTOR WITH SLURRY PASSAGES AROUND AND THROUGH THE ROTOR - A rotor adapted for mounting for rotation within a screen of a pulp screening apparatus, and for defining a screening space between the rotor and the screen so that pulp suspension flows into the screening space, with accepted pulp passing through the screen to a stock outlet and rejected pulp passing along a screen inlet surface in a screening flow direction to a rejects outlet. The rotor has an interior, and an exterior with pressure impulse protuberances thereon for rotation with the rotor in close proximity to the inlet surface. A stock inlet communicates with the screening space and the rotor interior. And the rotor has at least one opening extending in the screening flow direction from its interior to its exterior for over at least a fourth of screening flow length of the rotor for admitting a substantial portion of pulp suspension from the stock inlet and the rotor interior into the screening space. | 06-12-2014 |
20140216989 | Apparatus and related methods for extracting resins from cannabis - Disclosed may be an apparatus and related methods for simply and inexpensively extracting the psychoactive resins of cannabis skuff. Further disclosed may be apparatus and related methods of extracting cannabis resins without the drawbacks of heretoforknown apparatus. Yet still disclosed is apparatus and methods for using more of a harvested cannabis plant. In a preferred embodiment, the apparatus comprises: a tumble box with a door with a plurality of screened traps; and, a motor for rotating the box around an axis, and, shaking the tumble box along the axis. The more specific aspects of the disclosed apparatus are further described with reference to the drawings. | 08-07-2014 |
20140284252 | VEGETATION BYPRODUCT EXTRACTION APPARATUS - A vegetation byproduct extraction apparatus includes an apparatus frame; an extraction assembly mount frame pivotally carried by the apparatus frame; an extraction assembly including a container carried by the extraction assembly mount frame; an agitation motor mechanically engaging the container; at least one classifier carried by the container, the at least one classifier having a classifier mesh with a plurality of mesh openings; a collection pan carried by the at least one classifier; and at least one assembly securing mechanism engaging the container and the collection pan, the at least one assembly securing mechanism releasably securing the collection pan and the at least one classifier on the container. | 09-25-2014 |
20140311955 | FOOD CONTAINER WITH EMBEDDED SIFTING APPARATUS - This device is an airtight food storage container, with a sifting compartment built into the bottom portion. The container includes lids at both the top and bottom. The top lid can be opened to pour out the larger pieces of food, while the bottom lid can be opened to remove smaller pieces from the container. The embedded sifter is adjustable so the size and amounts of food to be separated can be controlled. This is made possible by the combination of an adjuster plate and sifter device. The sifting device has alternating rows of small and large holes. The adjuster plate, which is placed directly beneath the sifting device, has rows of open slots, which correspond with the holes. The user can slide the adjuster plate to align the slots with either small or large holes, which will vary the degree of sifting. | 10-23-2014 |
20140319027 | METAL BASKET FITTING INSIDE KAMADO GRILLS FOR REMOVING CHARCOAL - An ash basket can act as a sieve or strainer, allowing a user to lift out the charcoal from a kamado grill, clean out the ash, and place the ash basket back into the grill for future use. The ash basket retains larger pieces of charcoal that can be reused, while allowing the ash to pass through to a bottom plate of the grill. The bottom plate has openings to permit the ash to fall to an ash collection chamber. Without the ash basket, pieces of charcoal can block the openings in the bottom plate, making ash collection difficult. Moreover, with the openings blocked, proper air flow through the openings. Finally, the ash basket creates and additional air space that covers the entire surface of the interior walls by separating the ash from the wall, improving air flow, which is critical to the kamado grill design. | 10-30-2014 |
20140346092 | ROTARY DRUM TYPE LITTER SEPARATING APPARATUS - In a rotary drum type litter separating apparatus including a cylindrical unit supported rotatably and having a peripheral surface formed in a mesh form as a part of the cylindrical unit, the cylindrical unit includes a bottomed part which closes one end of the cylindrical unit and a loaning/unloading port which opens the other end of the cylindrical unit, and a mesh part which is a detachable separate member is further attached to an outer periphery of the cylindrical unit. The litter separating apparatus is capable of separating various kinds of litter of different sizes from sand, thereby reliably collecting the litter. Moreover, the mesh part can be replaced easily. Thus, the workability is improved, and the man-hour is reduced. Such litter separating apparatus is capable of efficiently collecting various kinds and different sizes of litter. | 11-27-2014 |
20140367313 | Dirt Sifting Attachment for Wheelbarrows - Disclosed is a dirt sifting device for placement over a wheelbarrow, comprising a frame, a plurality of trusses, and a filter screen that allows dirt to pass through but not larger matter. The frame is continuous and is substantially planar, and the frame has first and second sides that are substantially parallel. The frame is capable of being placed on an open upper surface of a wheelbarrow. Each truss is attached at its first end to the first side of the frame, while the second end is attached to the second side of the frame. The filter screen has a perimeter edge and a surface area, and is attached to the frame along the perimeter edge. The surface area of the filter screen is disposed over the trusses so that the trusses may support the filter screen. Overall, the device serves as a means for separating dirt from unwanted materials. | 12-18-2014 |
20140367314 | Dirt Sifting Attachment for Wheelbarrows - Disclosed is a dirt sifting device for placement over a wheelbarrow, comprising a frame and a filter screen disposed over the frame. In an embodiment of the present invention, the dirt sifting device comprises a first frame connected by a hinge to a second frame. The hinge allows the first frame to rotate relative to the second frame and is adapted to maintain the frames at any of a variety of angles. A filter screen is disposed over each of the first and second frames. The frames define the perimeter of the filter screens. The frames may be rotated towards one another such that the frames overlap in a closed configuration convenient for storage. Alternatively, the frames may be rotated away from one another and the device can then be placed over a wheelbarrow for dirt sifting. Overall, the device serves as a means for separating dirt from unwanted materials. | 12-18-2014 |
20150014226 | APPARATUS FOR CLEANING FIELD CROPS - A cleaning apparatus is provided for cleaning crops, such as potatoes or beets, with adhering particles of soil and the like. The apparatus comprises a charging and or supply hopper with an opening at its underside from which the crops enter for cleaning; a housing with a cleaning region, wherein the crops are cleaned; a rotating screen drum rotating about an axis of rotation wherein the crops are cleaned; wherein the screen drum is arranged in the cleaning region; the axis of rotation of the rotating screen drum is inclined at an acute angle. | 01-15-2015 |
20150021238 | METHOD AND APPARATUS FOR SORTING FIBERS - An apparatus and methods for sorting and determining the length distribution of fibers in a sample are disclosed. One method of sorting and determining the length distribution of fibers includes immersing the fibers in a liquid to form a mixture; placing the mixture into a stack of sieves; progressively applying a predetermined number of frequencies of sound energy to each sieve in the stack of sieves; draining the mixture from the stack of sieves; and quantifying the collected fibers in each sieve in the stack of sieves. | 01-22-2015 |
20160144405 | CONTINUOUS FLOW, SIZE-BASED SEPARATION OF ENTITIES DOWN TO THE NANOMETER SCALE USING NANOPILLAR ARRAYS - A technique relates sorting entities. The entities are introduced into a nanopillar array. The entities include a first population and a second population, and the nanopillar array includes nanopillars arranged to have a gap separating one from another. The nanopillars are ordered to have an array angle relative to a fluid flow direction. The entities are sorted through the nanopillar array by transporting the first population of the entities less than a predetermined size in a first direction and by transporting the second population of the entities at least the predetermined size in a second direction different from the first direction. The nanopillar array is configured to employ the gap with a gap size less than 300 nanometers in order to sort the entities having a sub-100 nanometer size. | 05-26-2016 |
209236000 | Distributing | 2 |
20090184031 | APPARATUS AND SYSTEM FOR SIFTING - A sieve includes a rectangular reservoir that has a screen bottom. The sieve also includes a first side flange that is positioned on one side of the reservoir and a second side flange that is positioned on the opposite side of the reservoir. The reservoir is adapted to fit within a container where the two side flanges extend over and rest on opposite sides of the container. The reservoir is movable within the container, whereby, when the powdered substance is inserted into the sieve, the sieve sifts the reusable powdered substance from the non-reusable powdered substance. | 07-23-2009 |
20150014227 | Sifter Apparatus - A sifter attachment for a stand mixer that sifts directly into a mixer bowl. Sifting can be done simultaneously while mixing wet mix. The sifting attaches to and is driven by an auxiliary hub of the mixer. The hopper body is in close physical proximity with the mixer's mixing chamber, and as circumscribes at least a portion of the outer sidewall of the mixer's body and narrows to a discharge in fluid communication with the mixing chamber's upper opening. | 01-15-2015 |