| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210500100 |
Material
| 565 |
| 210483000 |
Supported, shaped or superimposed formed mediums
| 474 |
| 210435000 |
Within flow line or flow line connected close casing
| 252 |
| 210359000 |
Movable medium
| 87 |
| 210407000 |
With residue removing means or agitation of liquid
| 49 |
| 210416100 |
With pump, gas pressure, or suction source
| 44 |
| 210457000 |
With central pervious tubular receiver
| 30 |
| 210418000 |
With flow controller for material being treated
| 27 |
| 210455000 |
Receptacle and modified spacing surface or support for filter medium
| 18 |
| 210473000 |
Resting on supporting receiver, e.g., portable
| 13 |
| 210350000 |
With movable means to compress medium
| 13 |
| 210470000 |
Handled
| 11 |
| 210459000 |
Pipe or plate attached type
| 9 |
| 210464000 |
Portable receptacle draining type
| 8 |
| 210456000 |
Prefilt flow distributor or diverter
| 8 |
| 210472000 |
Vented | 5 |
| 20090114589 | TRI-FLOW FILTER ELEMENT WITH VENTING - A filter element and assembly which has three flow paths, has particular application to a fuel supply system for a diesel engine for filtering flow from the fuel tank as well as fuel returning from the engine that is to be recirculated back to the engine. The filter element and assembly provide a third flow path for also providing for venting of both fuel paths to a drain flow path internally of the filter element. | 05-07-2009 |
| 20110089103 | VENTED FILTER CARTRIDGE FOR WATER TREATMENT DEVICE - A filter cartridge has a shell defining an upper portion with an upper interior volume and a lower portion with a lower interior volume. The cartridge is for use in gravity-fed water treatment systems have an upper untreated supply and a lower filtered container. A hydrophilic porous particulate carbon powder block filter in a polymeric binder is disposed in the cartridge. The filter has a central opening and is open on both ends. The top end of the block is fitted with an air vent tube. The lower end of the block is fitted into a rubber gasket to direct water flow into the lower container. As water flow through the filter cartridge, air is vented through the block filter central opening and out through the vent tube. | 04-21-2011 |
| 20120043273 | SYSTEM AND METHOD FOR LIQUID FILTRATION WITH REDUCED HOLD-UP VOLUME - In one embodiment according to the invention, there is provided a filter device for liquid filtration, the filter device being in fluid communication with a plurality of liquid pathways, at least one pathway of the plurality of liquid pathways having a smallest equivalent fluid flow diameter of the plurality of liquid pathways. The device comprises a filter membrane, and a filter core comprising at least one cross hole in fluid communication with the filter membrane, each cross hole having an equivalent fluid flow diameter. The sum of the equivalent fluid flow diameters of the at least one cross holes does not exceed the smallest equivalent fluid flow diameter of the plurality of liquid pathways. | 02-23-2012 |
| 20120061313 | ADJUSTABLE VENTILATION STACK FOR A WATER FILTER SYSTEM - A water filter system including a filter housing having a filter element for filtering impurities from water and a ventilation stack movably connected to the filter housing for adjusting a position of the stack relative to a level of the water to release air from the water trapped by the filter element during filtration. | 03-15-2012 |
| 20130112612 | DEVICE FOR PLASMA SEPARATION BY MEANS OF A CENTRAL CHANNEL STRUCTURE - The invention relates to a device for sample separation, particularly for blood separation, in which the sample liquid is introduced into a feed device. The sample flows vertically through a separating device such as a filter or a membrane, so that sample particles are retained and separated off. | 05-09-2013 |
| 210433100 |
Divided filtered, and unfiltered liquid passages | 5 |
| 20090014382 | Filtration faucet system - A filtration faucet system includes a filter housing for mounting underneath a faucet countertop and a filter cartridge. The filter housing has a filter compartment, a water inlet adapted for operatively linking to a water source, a filtered water outlet adapted for operatively linking to a first water opening of a faucet device, and an unfiltered water outlet adapted for operatively linking to a second water opening of the faucet device. The filter cartridge is supported in the filter compartment and is adapted not only for filtering water flowing from the water inlet to the filtered water outlet before the water exits at the first water opening but also for guiding the water directly flowing from the water inlet to the unfiltered water outlet before the water exits at the second water opening. | 01-15-2009 |
| 20090211963 | Particle Interceptor - An interceptor having a filter chamber, an inlet passage connected to the filter chamber at an inlet opening, and an outlet passage connected to the filter chamber at an outlet opening. The outlet opening is above the inlet opening and has a minimum outlet flow elevation at which fluid can pass therethrough. A filter may be in the filter chamber between the inlet and outlet openings such that fluid passing from the inlet opening to the outlet opening must pass through the filter. A bypass passage fluidly connects the inlet passage to the outlet passage. The bypass may have a minimum bypass flow elevation at which fluid can pass through the bypass passage, the minimum bypass flow elevation being higher than the minimum outlet flow elevation. The bypass may be adapted to allow flow therethrough only when a flow resistance between the inlet and the filter exceeds a threshold value. | 08-27-2009 |
| 20100108595 | Strainer - A straight strainer assembly for removing particle contaminants from a fluid flow includes a first body extending along a first longitudinal axis and a second body attached to the first tubular body. The second tubular body extends along a second longitudinal axis that is not parallel to the first longitudinal axis. A cylindrical strainer basket extends through the second hollow internal cavity from the second end of the second tubular body into the first hollow internal cavity. A retainer ring is disposed within the first tubular body and has an elliptical face portion extending obliquely within the first tubular. | 05-06-2010 |
| 20120318728 | FILTER DEVICE - The invention relates to a filter device, in particular for fluids polluted with admixtures of water, such as diesel oil, comprising a filter housing ( | 12-20-2012 |
| 20130087496 | Disposable filtering unit - A disposable filtering unit includes a tube having a connection portion and an outlet respectively located on two ends thereof, and the connection portion is connected to a faucet body. The tube has a first path unit and a second path unit which has a filtering unit. A valve unit is located on a side of the tube so as to change direction of water flow to guide water to enter the first path unit and flow out from the outlet, or to enter the second path unit and flow out from the outlet via the filtering unit. The tube can be disengaged from the faucet body and disposable, and the filtering unit filters water to ensure that the water is clean. | 04-11-2013 |
| 210406000 |
Vacuumized filtrate receiver | 4 |
| 20090026126 | Vacuum Base and Related Methods and Apparatus for Vacuum Filtration - Liquid filter assemblies including an upper sample reservoir, a sample filter and a lower storage bottle are supported by a vacuum base. The base has a vacuum inlet port and, for connection to the liquid filter assembly, a vacuum outlet port. A vacuum is provided through the base to below the sample filter to draw sample liquid through the sample filter into the storage bottle. The base may include an auxiliary vacuum outlet port for connection with additional devices. The bases may be connected from one to another through auxiliary vacuum outlets and the vacuum inlets to make a chain of liquid filter assemblies supplied from one vacuum source. Alternatively, one base may include multiple vacuum outlet ports so that it may support and supply vacuum to a plurality of liquid filter assemblies. | 01-29-2009 |
| 20100000933 | Disposable Vacuum Filtration Apparatus Capable of Detecting Microorganisms and Particulates in Liquid Samples - A vacuum filtration apparatus for detecting microorganisms and particulates in liquid samples. The apparatus includes a base, an absorbent pad, a filter means, a funnel and a lid. The funnel is releasably attached to the base, and may contain an integral flexible seal for releasably sealing the filter means to the base. The outer wall of the lid may be segmented to make it flexible, this flexibility allows it to be releasably attached to the funnel or the base. The apparatus is designed so that any funnel will fit any base, and any lid will fit any base or any funnel when all parts are manufactured to normal tolerances. The apparatus may contain a means to keep the filter means wrinkle free in both the dry and wet states. | 01-07-2010 |
| 20100038303 | Disposable polymer-structured filtering kit - The disposable polymer-structured filtering kit includes a disposable, polymer-structured filtering funnel with a stem having a distal tip. A flow discharge end is formed at the distal tip. Preferably, a polymer fritted filter disc is positioned in the funnel, providing filtering for liquids passing therethrough. The kit preferably also includes a glass vacuum take-off adapter having a port for connecting to a vacuum source for providing negative pressure. The adapter securely and snuggly receives the funnel and maintains position of the distal tip thereof with the flow discharge end below the port, thus preventing contaminants from entering the adapter. A reusable, glass round bottle flask or a disposable vial receives the adapter and the stem of the funnel. The funnel and fritted disc are formed from disposable materials, thus removing the necessity of cleaning them following use. The adapter is reusable, since no contaminants come in contact therewith during filtering. | 02-18-2010 |
| 20140291234 | DISPOSABLE INTEGRATED POLYMERIC VACUUM FILTRATION FUNNEL - This invention discloses a disposable integrated polymeric vacuum filtration funnel. The integrated polymeric vacuum filtration funnel comprises a filtration funnel body having a filter frit disposed inside at the bottom, an outlet stem connected with an outlet at the outer bottom of the filtration funnel body; the outlet stem is integrated with the filtration funnel body; the filter frit is sealed to the inner bottom and the inner side surface of the filtration funnel body; the integrated polymeric vacuum filtration funnel comprises a sealing joint disposed underneath the outer bottom of the filtration funnel body, the sealing joint having a side-arm for vacuum connection and a standard adaptor to connect the receiving receptacle; the outlet stem protrudes from the standard adaptor; the filter frit, filtration funnel body, and sealing joint are integrated as one device. The invention can effectively reduce or eliminate the loss of the filtrate and filter cake, avoid contamination, easy to use, and cost-effective. | 10-02-2014 |
| 210354000 |
Medium, cleaner or agitator moved by fluid | 3 |
| 20100314308 | FILTER ELEMENT AND SUPPORT BODY FOR SUCH A FILTER ELEMENT - A filter element for purifying a fluid at risk of freezing such as a urea-water solution for exhaust gas after treatment has an annular filter body and a support body surrounded by the filter body. The support body is made of an elastomer and is able to yield in a radial inward direction to compensate volume expansion when the fluid freezes. | 12-16-2010 |
| 20140124432 | WATER TREATMENT FILTERING EQUIPMENT WITH EASY REMOVING OF FOREIGN MATTER - This invention is on water treatment filtering equipment which supplies water after removing foreign matter included in original water such as underground water. To be more particular, the water treatment filtering equipment according to this invention has a filter installed in the inside of the housing and a blade which automatically rotates by the pressure of the inflown original water installed in the outside of said filter so that said blade may drop and remove foreign matter while rotating when original water passes through said filter. | 05-08-2014 |
| 20160375380 | CROSS-FLOW FILTER ASSEMBLY WITH IMPROVED CLEANING ASSEMBLY - A cross-flow filter assembly ( | 12-29-2016 |
| 210417000 |
Alternating oppositely opening liquid distributors | 2 |
| 20080230468 | HIGH FLOWRATE FILTER FOR INKJET PRINTHEAD - A filter for an inkjet printer that has a chamber divided into an upstream section and a downstream section by a filter membrane. An inlet conduit establishes fluid communication between an ink supply and the upstream section. An outlet conduit establishes fluid communication between the downstream section and a printhead. During use at least part of the inlet conduit is elevated relative to the filter membrane. By elevating the inlet conduit relative to the filter membrane, it acts as a bubble trap to retain bubbles that would otherwise obstruct the filter. This allows the filter size to be reduced for a more compact overall design. | 09-25-2008 |
| 20090014380 | APPARATUS, SYSTEMS, AND METHODS FOR DISTRIBUTING EFFLUENT IN MOUND ELIMINATION UNITS AND OTHER DRAINFIELD INSTALLATIONS - In an effluent treatment system, a distribution grid comprises a distribution member for passing effluent initially horizontally through an internal chamber and out of laterally-extending distribution arms communicating with the chamber. Prefabricated filter media units are placed under the distribution member and the arms so that effluent may then trickle generally vertically through the filter media. | 01-15-2009 |
| 210405000 |
Movable prefilt distributor | 2 |
| 20100122953 | FILTERING STRUCTURE FOR REMOVING DREGS FROM WATER - A filtering structure for removing dregs from water is provided. The filtering structure includes a receptacle body, a dewatering unit, an operation unit, and a filtering unit. The receptacle body includes a receptacle tub and an assembling space. The dewatering unit is a hollow bucket which allows fluid flowing therethrough. The dewatering unit is assembled in the receptacle tub. The operation unit includes an operation member, a base, and a transmission mechanism connected with the operation member. The operation member is pivotally coupled to the base, and is allowed to swing like a teeterboard at a pivotal position thereof as a pivotal axis. The filtering unit includes a tank and a blade assembly. The tank is provided with a filtering screen. The blade assembly can be driven by the operation member to drive a water flow through the filtering screen, thus removing the dregs from the water. | 05-20-2010 |
| 20160067637 | SCREW PRESS SEPARATOR - The present invention relates to a press screw separator ( | 03-10-2016 |
| 210357000 |
Relatively movable members interleaved for cleaning | 2 |
| 20090314705 | Wastewater screening device - A wastewater screening device includes a perforate screening member through which wastewater flows, including a plurality of laterally spaced apart screening rods interconnected by cross members, such that solids in the wastewater are captured by the screening member. A plurality of wiping elements are positioned between the screening rods and shift longitudinally to clear screenings from the screening member. Each of the wiping elements has at least one end projection disposed laterally between opposite sides of the screening member, and a tapered wiping surface. | 12-24-2009 |
| 20130075323 | Water Treatment Apparatus - A water treatment apparatus includes a tank, a driving unit, a filtered-water pipe, a filtering unit and at least one scraping unit. The tank includes a wall, an inlet pipe extending through an upper portion, and an outlet pipe extending from a lower portion. The driving unit is located on an external side of the tank. The filtered-water pipe extends throughout the tank and is connected to the driving unit. The filtering unit includes flat filtering bags located around the filtered-water pipe. The flat filtering bags can be spun together with the filtered-water pipe. The scraping unit includes scrapper assemblies each located between and in contact with two adjacent ones of the flat filtering bags. | 03-28-2013 |
| 210358000 |
Imperforate drum, medium on arc, chord or end | 1 |
| 20110259810 | AUTOMATIC TRANSMISSION FLUID FILTER - The automatic transmission fluid filter includes a plastic upper case having an outlet port, a plastic lower case having an inlet port , and a filter element including a filter medium and a plastic holder frame holding the periphery of the filter medium and held between the upper case and lower case, at least one of the upper case and lower case including a pair of joint portions respectively joined to opposite walls a of the holder frame, and a connecting wall connecting the pair of joint portions and having a circular arc longitudinal cross section protruding outward of one case. | 10-27-2011 |
| 210349000 |
Pulsation dampener or gas trapping | 1 |
| 20120160760 | DEVICE FOR REDUCING DIMENSIONS OF AIR BUBBLES IN DIESEL FUEL SUPPLIED TO ENGINES - A filter for diesel fuel having at least an inlet conduit ( | 06-28-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20080197067 | Reversible vacuum filter cartridge - A reversible vacuum filter cartridge for connection to a pair of tubes or other entities to filter a liquid medium placed in one of the tubes or other entities is described. The filter cartridge is comprised of a male coupling and a female coupling. The couplings are interconnected to one another by simply pushing a mating projection of the male coupling into a mating cavity of the female coupling. A connecting port is provided in the male and female coupling and has a conduit communicating with tube connecting ends of each of the couplings which communicate with an open end of a tube connected to each of the couplings. The connecting port is identical in each of the couplings and serves either as vacuum port or an air intake port. A filter disk is retained captive between perforated outer walls of each of the couplings when interconnected together in fluid-tight relationship. | 08-21-2008 |
| 20080203007 | PORTABLE WATER FILTRATION DEVICE - Disclosed is a portable water filtration device in which a filter cartridge having a water purifying function is mounted in a water bottle, including a body, which has an inlet in its upper portion and is made of an elastically deformable material, a lid, which is coupled with the body and has a discharge hole, through which water is discharged, a filter cartridge, which is coupled with the lid and has an outflow part from which the water is discharged, inflow holes through which the water enters, and a filter, and a filter housing, which is open in its upper portion for insertion of the filter cartridge into the filter housing. Thus, the portable water filtration device is easy to carry outdoors and is convenient to use because it does not require a separate pressurizer. | 08-28-2008 |
| 20080210619 | Constructive disposition applied to sample collector for the purposes of feces parasitological exam - The present application is about a new construction disposition applied to sample collector for the purposes of feces parasitological exams, more precisely to one new construction form which is manufactured with a reduced number of parts, helping with its low cost, since it is a product discharged after its utilization; collector which includes a container which receives the attachment of a cover which contemplates a central conic sector from whose top a cylindrical duct is developed which can be closed by an over-cover or cap; it is predicted a concave filtering element, formed by polyester net or mesh in the order of 220 to 280 μ, preferably 266 μ, which represents the same radius of internal bending of the conic portion of the cover, affixed to it by means of fitting or another equivalent mean. | 09-04-2008 |
| 20080314818 | PRESSING METHOD, PUNCHING PLATE, AND LIQUID EJECTING HEAD - A pressing method by which through holes are formed using a punch in a target plate material that has a first face and a second face that is opposite to the first face, includes forming at least one first through hole by punching the target plate material from the second face with the punch in such an orientation that the first face of the target plate material is in contact with a base that is made of an elastic material, and forming at least one second through hole from the first face of the target plate material in a region, which is different from a region in which the at least one first through hole is formed, in such an orientation that the second face of the target plate material is in contact with the base. | 12-25-2008 |
| 20090152189 | LATERALLY SEALING GASKET INTERFACE - A gasket interface for a fluid filter is described. The gasket interface described includes a seal disposed between plate members, where at least one of the plate members is movable with respect to the other. The seal includes a seal position and a release position. In the seal position, the seal is compressible along an axis when the plate members move toward each other, while the seal is also expandable along another axis as a result of being compressed. The seal has a laterally extending portion to provide a sealing configuration. In the release position, the seal is non-compressed when the plate members move away from each other and the laterally extending portion is withdrawn so as not to be laterally extended and be removed from the sealing configuration. The gasket interface provides a unique sealing configuration that does not require end-to-end engagement of the sealing parts. | 06-18-2009 |
| 20100140160 | Nanofiber surface for use in enhanced surfaces area appications - This invention provides novel nanofiber enhanced surface area substrates and structures comprising such substrates, as well as methods and uses for such substrates. | 06-10-2010 |
| 20100163479 | COLD WATER TANK AND WATER TREATMENT APPARATUS HAVING THE SAME - Disclosed are a cold water tank and a water treatment apparatus. The cold water tank includes a tank body, a water inlet pipe provided at the tank body to convey water into the tank body, a water outlet pipe provided at the tank body to convey the water out of the tank body, and including an air vent hole, and a floating member movably provided at the water outlet pipe to block the air vent hole when the water filling the tank body reaches a height of the air vent hole. The water in the upper portion of the tank body is prevented from passing through the air vent hole and draining through the water outlet pipe, thereby preventing the cooler water in the lower portion from mixing with the hotter water in the upper portion. Only the cooler water in the lower portion can be supplied to a user. | 07-01-2010 |
| 20110233130 | METHOD AND ARRANGEMENT FOR FIXING AN ENDLESS WIRE - The invention relates to a method and an arrangement for fixing an endless wire ( | 09-29-2011 |
| 20120055865 | CLEANING METHOD AND SYSTEM - A method for removing particles or deposits from a surface having particles or deposits thereon. The method involves contacting a surface with a chemical composition sufficient to selectively dissolve and remove at least a portion of the particles or deposits from the surface. The chemical composition is compatible with the surface. This disclosure also relates to a system of specially designed equipment for removing particles or deposits from a surface having particles or deposits thereon. The disclosure is useful, for example, in cleaning porous surfaces, media for cartridge, pleated and membrane surfaces, and internal walls of tanks or filter housings. | 03-08-2012 |
| 20120228211 | NONCIRCULAR REPLACEABLE FUEL FILTER ELEMENTS AND SYSTEMS INCLUDING THE SAME - One embodiment is a filter assembly wherein the shape of the filter is a non-circular geometry. Other embodiments include unique apparatus, devices, systems, and methods to remove contaminates from a flow of fuel while at the same time providing a unique filter and filter assembly geometry. Further embodiments, forms, objects, features, advantages, aspects, and benefits of the present application shall become apparent from the detailed description and figures included herewith. | 09-13-2012 |
| 20130146525 | Strainer Basket And Related Methods Of Use - Improved strainer members for use with pump assemblies and/or fluid systems (e.g., fluid circulation systems) are provided. The present disclosure provides for advantageous strainer members that strain and/or filter fluids in fluid systems (e.g., recreational bodies of water). More particularly, the present disclosure provides for strainer members (e.g., strainer baskets) that include features that improve performance characteristics. Strainer members with an improved ability to resist degradation of pump hydraulic performance when loaded with debris, and/or an improved ability to remove air pockets trapped under the strainer cover at low flow rates are disclosed. | 06-13-2013 |
| 20130206676 | MEASURING DEVICE HAVING A PRESSURE SENSOR - The present invention relates to a measuring device having a pressure sensor, with the pressure sensor having a measuring cell designed to detect a pressure. It is provided that the measuring cell of the pressure sensor is arranged in or adjacent to a protective cell filled with a measuring fluid that can be coupled to a fluid to be measured via at least one separating membrane. It is furthermore provided that a damping device is arranged in the protective cell between the separating membrane and the measuring cell, said damping device including a restrictor and a downstream volume expansion means that provides an increased volume between the restrictor and the measuring cell in the event of a pressure increase in the measuring fluid. | 08-15-2013 |
| 20140076795 | SUCTION FILTER MEDIA OVERMOLDED INTEGRALLY WITH TRAY - A filter assembly includes a housing including a first cover and a second cover, a grid located in the housing including interconnected ribs and strips, and filter media integral with the grid, including a peripheral width located between the covers. | 03-20-2014 |
| 20180021736 | NANO-PORE ARRAYS FOR BIO-MEDICAL, ENVIRONMENTAL, AND INDUSTRIAL SORTING, FILTERING, MONITORING, OR DISPENSING | 01-25-2018 |
| 20220134285 | FILTRATION HEAD FOR VACUUM FILTRATION, MANIFOLD FOR VACUUM FILTRATION AND METHOD OF MODIFYING AN EXISTING FILTRATION HEAD FOR VACUUM FILTRATION - A vacuum filtration head ( | 05-05-2022 |
