| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 209440100 |
Including sorting of special items or sorting by methods or apparatus includible in subclasses 509 through 707
| 23 |
| 209039000 |
Magnetic and fluid suspension
| 15 |
| 209021000 |
Gaseous suspension and sifting
| 15 |
| 209017000 |
Aqueous suspension and sifting
| 14 |
| 209038000 |
Magnetic and sifting
| 11 |
| 209044000 |
Sifting and stratifying
| 8 |
| 209120200 |
Including electrostatic
| 6 |
| 209018000 |
Aqueous suspension and stratifying | 4 |
| 20110174696 | METHOD FOR IMPROVING FLOTATION CELL PERFORMANCE - A method of operating a flotation cell wherein a feed stream containing particles is provided to the flotation cell wherein a proportion of the particles rise in the cell and exit the cell in a concentrate stream and a proportion of the particles sink in the cell, wherein at least a portion of the particles that sink in the cell are subject to a classification process to produce classified particles and at least a portion of the classified particles are recycled to the flotation cell. | 07-21-2011 |
| 20140231315 | SYSTEM AND METHOD TO SEPARATE CELLS AND/OR PARTICLES - The disclosure related to a method and system to separate a subgroup of objects from a mixture of objects present in a suspension wherein said suspension if exposed to acoustic forces acting in one or two dimensions, which forces said objects to separate from each other into groups which have similar properties in connection with size and/or mass density and/or compressibility. | 08-21-2014 |
| 20150096924 | SIMPLIFIED VALUABLE MINERAL SORTING APPARATUS AND METHOD OF SORTING VALUABLE MINERALS USING THE SAME - Disclosed herein is a simplified valuable mineral sorting apparatus including, a first storage tank which accommodates a mixture of water and heavy powder and includes a specific gravity measurement module; a second storage tank accommodating a portion of the mixture exceeding a capacity level line of the first storage tank; a first discharge tube which is connected to the first storage tank and the second storage tank to introduce the excess portion of the mixture into the second storage tank, and which is positioned at the capacity level line of the first storage tank; a second discharge tube which is connected to the first storage tank to discharge the mixture in the first storage tank and which includes a flow rate control module; a specific gravity sorting device which includes a sorting container for receiving the mixture discharged from the second discharge tube and which changes a slope of the sorting container to sort minerals from the mixture in the sorting container; and a control unit for controlling the flow rate control module and the specific gravity sorting device. | 04-09-2015 |
| 20160023219 | Sluice Box - A sluice box having riffles of varying patterns and profiles to increase the chances of recovering gold particles and other precious ores. The riffles are contained in a sluice bed. The sluice bed is attached to a diverter to divert the water through the sluice bed. | 01-28-2016 |
| 209019000 |
Gaseous suspension, sifting, and stratifying | 4 |
| 20080290001 | Heavy Material Separator - The present invention refers to a separator for separating heavy material components, particularly stones, ceramic material and glass, from a flow of solid material comprising heavy and light material components, comprising a first conveying means for conveying the flow of solid material, a second conveying means provided for conveying the non-separated material components of the flow of solid material downstream of the first conveying means, a flexible means arranged between the downstream end of the first conveying means and the upstream end of the second conveying means and which is formed such that the light material components are conveying from the first conveying means past the flexible means to the second conveying means and the heavy material components leave the flow of solid material in front of the upstream end of the second conveying means ( | 11-27-2008 |
| 20100126913 | Wire Recovery System - An automated system for sorting dissimilar materials, and in particular for sorting plastics from other materials and for sorting different types of plastics from one another comprises, depending upon the embodiment, combinations of a sizing mechanism, a friction separation, an air separator, a magnetic separator, a dielectric sensor sortation bed, shaker screening, a ballistic separator, an inductive sensor sortation system and a float/sink tank. The dielectric sensor sortation system may be either analog or digital, depending upon the particular implementation. One or more float/sink tanks can be used, depending upon the embodiment, each with a media of a different specific gravity. The media may be water, or water plus a compound such as calcium chloride. In addition, multiples of the same general type of module can be used for particular configurations. A heavy media system or a sand float process can be used either alternatively or additionally. | 05-27-2010 |
| 20110031166 | SYSTEMS AND METHODS FOR RECOVERING MATERIALS FROM SOIL - Systems and methods for recovering materials from soil are disclosed. In one embodiment, a system for recovering materials from soil comprises a size separation system, a first magnetic separator, a second magnetic separator, an air classifier/scrubber system, and a non-ferrous metal separator. The system for recovering materials from soil can be configured to separate soil from other recoverable materials, including, for example, rock and gravel aggregates, and/or metals. | 02-10-2011 |
| 20160067744 | SYSTEMS AND METHODS FOR THE ENVIRONMENTAL REMEDIATION OF MATERIALS CONTAMINATED WITH HEAVY MINERALS - The invention relates to a method and system for the environmental remediation of materials that are contaminated with heavy minerals, such as heavy metals. The invention finds utility in removing heavy minerals from materials such as soils, sediments, mine tailings and ores. The invention provides a means for removing heavy minerals from contaminated materials without the use of water while reducing the generation of dust. Thus, the invention provides an environmentally friendly method for the remediation of sites that are contaminated with heavy minerals. | 03-10-2016 |
| 209040000 |
Magnetic and stratifying | 3 |
| 20090166267 | METHOD WHICH TURNS CONSTRUCTION WASTES INTO BUILDING MATERIALS - This invention relates to a method which turns construction wastes into building materials said method separating construction wastes into heavy materials, light materials and mineral materials by sorting, magnetic separating, primarily crushing and separating by gravity, said mineral materials to be used as raw materials of building material, said building materials comprising fibrous material of 5-10 portions, said mineral material of 40-60 portions, low-water cement of 20-30 portions and other materials of 0-30 portions. This method makes good use of mineral materials, the main part of construction waste to save material resource and to reduce final discharge amount of construction waste. | 07-02-2009 |
| 20090321327 | Wet Garbage Recycling - The Water Garbage Recycler is a system to recycle waste by using water as a medium to classify and extract waste material. Water causes lightweight materials to float to the surface where they are collected for processing. These materials are shredded and compacted in bales to be recycled. Likewise, heavier objects such as metals sink to the bottom and are collected and transported to be processed appropriately. The source of water is a sewer plant where it can be redeposited for recycling. This method of processing waste is ecologically friendly because ninety nine percent of the waste material can be recycled efficiently. | 12-31-2009 |
| 20100122940 | Beltless rare earth roll magnetic separator system and method - A material separator system and method for magnetically separating components of feedstock by directing the feedstock onto a thin rotating shell enclosing one or more rotating magnetic rolls capable of riding upon the interior of the shell. In one embodiment, a cam-and-bearing arrangement is used to permit the magnetic roll and shell each to rotate on its own independent axis. This provides the ability to adjust clearance, the line of contact, and the degree of contact between the magnetic roll and the shell. In another embodiment, a different arrangement provides the same capabilities. The system can be configured to drive a magnetic roll, which then drives the shell, or it can be configured to drive the shell, which then drives the magnetic roll. The system can also be configured as a retreater for retreating feedstock. | 05-20-2010 |
| 209020000 |
Gaseous suspension and stratifying | 3 |
| 20080272031 | SCREENING/DEDUSTING APPARATUS - A screening apparatus has a generally closed housing and partitions in the housing forming a fine-particle passage having an upstream end and a downstream end and a coarse-particle passage having an upstream end and a downstream end. A screen at the upstream ends is fed particulate material including dust and fine and coarse particles such that the coarse particles are diverted to the coarse-particle passage and the fine particles and dust to the fine-particle passage. A air-classifier in the fine-particle passage dedusts particles therein. | 11-06-2008 |
| 20100126914 | Plastic Separation Module - An automated system for sorting dissimilar materials, and in particular for sorting plastics from other materials and for sorting different types of plastics from one another comprises, depending upon the embodiment, combinations of a sizing mechanism, a friction separation, an air separator, a magnetic separator, a dielectric sensor sortation bed, shaker screening, a ballistic separator, an inductive sensor sortation system and a float/sink tank. The dielectric sensor sortation system may be either analog or digital, depending upon the particular implementation. One or more float/sink tanks can be used, depending upon the embodiment, each with a media of a different specific gravity. The media may be water, or water plus a compound such as calcium chloride. In addition, multiples of the same general type of module can be used for particular configurations. A heavy media system or a sand float process can be used either alternatively or additionally. | 05-27-2010 |
| 20160023246 | DRY SEPARATION APPARATUS AND DRY SEPARATION METHOD - Provided is a dry separation apparatus including: a main body; a first deck; a plurality of guides; a supply part; an air blow fan; and a vibration part. A dry separation method includes: supplying an object to be separated to a top surface of a first deck provided with a plurality of punches; sending, by an air blow fan, air to the punches (first punches); and horizontally vibrating, by a vibration part, the first deck so as to discharge particles which have different specific gravities of the object to be separated and a moveable force exerted by air passing the first punches through different passages. | 01-28-2016 |
| 209013000 |
Aqueous suspension, sifting, and stratifying | 2 |
| 20090145813 | CYCLONE, APPARATUS FOR SEPARATING SLURRY HAVING THE CYCLONE, AND SYSTEM AND METHOD OF SUPPLYING SLURRY USING THE APPARATUS - A cyclone used in a separator apparatus includes a body and a vortex finder. The body includes an inlet passageway, a cylindrical passageway connected to the inlet passageway, and a conical passageway connected to the cylindrical passageway. The cylindrical passageway has an upper end through which first particles in a fluid are exhausted, and a lower end. The conical passageway has an upper end connected to the lower end of the cylindrical passageway, and an opened lower end through which second particles having a specific gravity greater than that of the first particle are exhausted. The vortex finder is connected to the upper end of the cylindrical passageway. A first exhaust passageway is vertically formed in the vortex finder so that the first particles spirally ascend through the first exhaust passageway from the cylindrical passageway. | 06-11-2009 |
| 20150014225 | METHOD FOR RECOVERING CHROMITE, AND METHOD FOR WET SMELTING OF NICKEL OXIDE ORE - A method for recovering chromite from ore slurry obtained by processing nickel oxide ore, the raw material, in a plant for the wet smelting of nickel oxide ore. In the method chromite is separated and recovered from an ore slurry obtained from a nickel oxide ore when nickel and cobalt are recovered from the nickel oxide ore. The method has a grain diameter separation step for separating the ore slurry on the basis of a predetermined classification point according to the difference in the grain diameter of particles contained in the supplied ore slurry and a sedimentation separation step for causing the oversized ore slurry separated in the grain diameter separation step to undergo sedimentation and concentration on the basis of a target classification point, and recovering the chromite. The coarse particle content of the oversized ore slurry separated in the grain diameter separation step is adjusted to 30-50%. | 01-15-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20090032442 | Municipal solid waste sorting system and method - A method, and associated system, of sorting municipal solid waste ( | 02-05-2009 |
| 20100078363 | PROCESS AND APPARATUS FOR SEPARATING SOLID MIXTURES - An elutriation column is installed in a separation tank. The elutriation column includes a vertical separation column having a first side feed arm and a second side overflow arm spaced above the first side feed arm. Water is forced upwardly through the vertical separation column at a controllable velocity. A solid feed mixture is fed through the first side feed arm to the vertical separation column. Water from the tank rising in the vertical separation column at the controlled velocity causes targeted floater materials to move upwardly in the vertical separation column and heavier sinker materials to continue to sink. The floater materials flow from an outlet in the side of the separation tank into the recovery tank. At a discharge, lower end of the vertical separation column, the heavier sinker materials are removed from the separation tank. A mechanism is provided for purging undesirable materials that can cause plugging from the feed arm. | 04-01-2010 |
| 20100282646 | METHOD AND UNIT FOR THE SEPARATION OF NON-FERROUS METALS AND STAINLESS STEEL IN BULK MATERIAL HANDLING - A method and unit for the separation of non-ferrous, ferrous and non-metal portions in bulk material handling, particularly for the recycling of materials for subsequent use, wherein the method comprises: the application of eddy currents for the separation of portions of non-ferrous and conductive materials that jump with respect to portions of the remaining material stream; the detection of metals in portions of materials by means of an analysis of the metals using electromagnetic sensors, and the separation of said metals by mechanical expulsion means, achieving the separation of metallic material portions, such as stainless steel, and others from the portions of non-metals. The unit comprises a first conveyor belt of the portions and eddy current (Foucault) separators, while a second conveyor belt includes electromagnetic metal sensors and selective expulsion means which are controlled by said electromagnetic metal sensors. | 11-11-2010 |
| 20110042277 | Method for Separating Biochar from Wood Ash - Wood ash residues are a complex ternary mixture of small stones, biochar particles and ash. The present application shows how a combination of physical separation processes can be applied to the efficient extraction of a biochar-rich fraction. Two different techniques were tested: segregation and elutriation. The effects of the fluidization velocity on both of the processes were investigated respectively. Either technique happened to be ineffective, on its own, to obtain high purity biochar. However, a combination of segregation and elutriation proved to recover 78% of the biochar with a purity of 90%. | 02-24-2011 |
| 20110094942 | METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL WITH HIGH ARSENIC GRADE - There is provided a method for separating an arsenic mineral from a copper-bearing material containing arsenic, such as a copper ore or a copper concentrate, to obtain a copper concentrate with low arsenic grade. | 04-28-2011 |
| 20110247968 | Material Sorting Apparatus - A material sorting apparatus comprises a perforated screen ( | 10-13-2011 |
| 20120211404 | METHOD AND DEVICE FOR RECOVERING EXHAUSTED MACHINING SLURRIES - The invention relates to a method for recovering spent machining slurries and to an apparatus for carrying out the method. The spent machining slurry that contains a machining medium, a carrier fluid for the machining medium, material stemming from the machined articles, particles stemming from the machining tools and optionally additives, is recovered by centrifugation in the undiluted state, thereby allowing an especially effective recovery according to materials and without much effort. The used apparatus is characterized in that it comprises a centrifuge having a suspended centrifugal drum or a stationary centrifuge having a floating centrifuging drum. | 08-23-2012 |
| 20140262968 | SYSTEM AND METHOD FOR RECOVERY OF VALUABLE CONSTITUENTS FROM STEEL-MAKING SLAG FINES - A system and method directed to the economical recovery of valuable iron constituents from iron blast furnace and steel-making slag fines wherein the slag is obtained and subjected to a series of classification steps which progressively sort the slag fines by various physical characteristics, including magnetism, size, and density, into relatively iron-rich and relatively iron-poor classifications, resulting in the isolation of iron-rich commercial byproduct at one or more of the classification steps. | 09-18-2014 |
| 20140326643 | FLOTATION MACHINE, FROTH RECOVERY APPARATUS, AND METHOD FOR RECOVERING MATERIAL - At least one froth receiving device may be positioned in a slurry retained in a tank of a flotation cell of a flotation machine. Each of the froth receiving devices may be positioned adjacent to froth formed in the slurry by being positioned in the tank at a height that positions the froth receiving device in the froth or near the froth. Each froth receiving device may receive froth to extract the froth from the tank. In some embodiments, the extracted froth may be sent to at least one particle separation device so at least a portion of solid material in the froth is separated from liquid of the froth. The separated solid material may be moved to another machine for further processing for recovering the desirable material while any remaining solid material and liquid may be sent to another device for being utilized in further material processing. | 11-06-2014 |
