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| Number | Title | Issue Date |
| 8104623 | Filtering screen A screen is described for use in a vibrating machine for separating solids from liquid material, comprising woven wire cloth of orthogonal warp and weft wires, tensioned and bonded to a support structure defining at least one rectangular opening across which the clo... | 01/31/2012 |
| 8016123 | Filter element with active carbon coating A filter element has a first filter layer that has an active carbon layer, a top cover layer connected to the active carbon layer and a bottom cover layer connected to the active carbon layer opposite the top cover layer, wherein the first filter layer is folded to ... | 09/13/2011 |
| 7931153 | Solid-liquid filtration cloth and filtering device The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth (7) is provided with yarns (13b) having a highly ... | 04/26/2011 |
| 7775375 | Redundant ultrafiltration device According to one aspect of the present invention, a dual stage filtration apparatus includes a cartridge having a first end and an opposing second end and a first filtration stage including a first bundle of first semi-permeable filtering elements and a second filtr... | 08/17/2010 |
| 7438812 | Filter element and method of making A filter element (10) is provided which can be used to remove microsize contaminant particles (i.e., about 0.5 μm to about 25.0 μm) from aviation fuel. The filter element (10) includes a cylindrical pleated filter media (14) and an exoskeleton... | 10/21/2008 |
| 7429321 | Aquarium filter cartridge and filtration system An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a floss type filter, downward to the bottom of the housing, horizontal... | 09/30/2008 |
| 7410066 | Filter for selectively eliminating leukocytes It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while causing little elution and minimizing loss in platelets. Namely, a fi... | 08/12/2008 |
| 7396461 | Filter cartridge for gravity-fed water treatment device A filter cartridge for use in gravity-fed water treatment systems wherein filter elements include a dome-shaped hydrophilic porous particulate carbon powder block filter in a polymeric binder. The filter has a closed upper end and an open lower end with sidewalls ex... | 07/08/2008 |
| 7374050 | High capacity and high efficiency filter deck assembly A rotary drum filter has a plurality of longitudinally extending division grids mounted about the outer circumference of a drum. A plurality of corrugated sheets are provided, with the leading and trailing edges of each sheet mounted to circumferentially adjacent pa... | 05/20/2008 |
| 7357711 | Sieve support structure for an agricultural combine A sieve support structure including an elongate first rail, an elongate second rail, and rigid elongate compression members pivotally connected to and extending between the first and second rails at longitudinally spaced locations therealong, wherein the rails and t... | 04/15/2008 |
| 7353956 | Blood collection systems including a flexible filter Blood collection systems include an integral flexible filter to remove leukocytes from blood components. ... | 04/08/2008 |
| 7353687 | Reference leak A reference leak includes a leak layer formed of one of a metallic material, a glass material, and a ceramic material. The metallic material is selected from the group consisting of copper, nickel, and molybdenum. The leak layer comprises a number of substantially p... | 04/08/2008 |
| 7351345 | Method for manufacturing a module for treating a fluid A module enabling individual adaptation by the user to the respective task in the treatment of fluids using housings and connections of existing filtration devices without any modification is described. The module comprises one or more cells stacked one on top of th... | 04/01/2008 |
| 7351005 | Leaching system A leaching device having slots to frictionally engage soil to permit the introduction of water through the slots and into the soil while prohibiting the excessive passage of soil particles through the slots. A method of introducing water into soil by passing water t... | 04/01/2008 |
| 7347937 | Perfluorinated thermoplastic filter cartridge A filtration cartridge having a housing with an inlet and an outlet and a filtration membrane contained within the housing and located between the inlet and the outlet is described. The membrane is sealed in such a manner that all fluid must flow through the membran... | 03/25/2008 |
| 7332096 | Blood filter assembly having multiple filtration regions A filtration medium is sealed within a housing. The filtration medium is sized and configured to define multiple filtration regions within the housing, through which independent, though concurrent, blood filtration can occur. Each filtration region is served by its ... | 02/19/2008 |
| 7320721 | Chemical filter and fan filter unit having the same In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for re... | 01/22/2008 |
| 7316321 | Sifting screen A screen for use in a vibratory machine for separating particulate material from liquid material comprising a rigid rectangular support frame having flanges along all four edges to which screen cloths of the type described are bonded with the longer dimension of the... | 01/08/2008 |
| 7314066 | Air distributor for a bioleaching system An air distributor for use in heap or dump leaching systems is disclosed. The air distributor includes an air pipe having a series of holes for releasing air from the pipe and one or more protective members spaced outwardly of the air holes to shield the air holes. | 01/01/2008 |
| 7311747 | Filter assembly with pleated media V-packs, and methods A generally cylindrical filter element incorporating nonsymmetrical or asymmetrical V-pleated media. The V-pleated media provides increased filter media per given filter volume, extended filter life, and a smaller filter for equivalent filter life. A smaller filter ... | 12/25/2007 |
| 7311751 | Filter medium A filter medium includes at least a first and a second layer. Both first and second layers have a layer volume VLq and a layer filtering surface SLq, where SLq is the accumulation of all mantle surfaces of the fibers present in this layer q. The first layer has a SL... | 12/25/2007 |
| RE39940 | Screen plates and methods of manufacture The screen cylinder includes a screening plate having contoured grooves along an inflow side and a backing cylinder having a plurality of openings therethrough and disposed on the outflow side of the screening cylinder. The contoured grooves are elongated in the axi... | 12/18/2007 |
| 7309428 | Apparatus for separating components from blood plasma The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated an... | 12/18/2007 |
| 7306105 | Composite porous membrane and method for producing the same An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and mechanical properties, and a method for producing the composite poro... | 12/11/2007 |
| 7294160 | Air cleaner The present invention comprises concerns a novel air cleaner having an inner mesh barrier. This inner mesh barrier has a plurality of openings, and is generally cylindrical, having an inner mesh barrier liner surface, and an inner mesh barrier outer surface. Further... | 11/13/2007 |
| 7287650 | Structures that inhibit microbial growth Structures treated with a microbiological interception enhancing agent comprising of a water-soluble cationic material having a counter ion associated therewith at specific sites on the cationic material, in combination with a biologically active metal salt, wherein... | 10/30/2007 |
| 7287975 | Resin mold material and resin mold A resin mold material includes one-dimensional communicating holes extending substantially linearly from a mold surface and having diameters from 1 nm to less than 10 μm; a surface layer including the mold surface and the one-dimensional communicating holes; a supp... | 10/30/2007 |
| 7279095 | Fuel supply device Fuel supply device (10) may comprise fuel pump (20) and suction filter (40) attached to a fuel intake port (36) of fuel pump (20). Suction filter (40) may have a sheet-shaped filter body (38) and an attaching member (... | 10/09/2007 |
| 7276166 | Fiber-fiber composites A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a paper-... | 10/02/2007 |
| 7264652 | Filter for collecting chlorinated organic compound The collecting filter can capture and collect various chlorinated organic compounds in both particulate form and gaseous form contained in a fluid at the same time, and is easy to extract the collected chlorinated organic compounds therefrom. This collecting filter ... | 09/04/2007 |
| 7264608 | Manual processing systems and methods for providing blood components conditioned for pathogen inactivation Systems and methods manually process blood and blood components in sterile, closed environments, which further condition the blood components for subsequent pathogen inactivation processes. The systems and methods mate the manual collection of random donor platelet ... | 09/04/2007 |
| 7258784 | Solid liquid filtration apparatus and method A method and system for separating a particulate contaminate from a contaminated liquid medium involves filtering the contaminated liquid medium with a filter element having an afflux surface made of plastic particles that are sintered together. The contaminated liq... | 08/21/2007 |
| 7255722 | Gas filter A filtration portion 11 constituting a filter element 3 is composed of a first filtration material 9 wound around the outer periphery of an inner tube 8 and a second filtration material 10 wound tightly around the outer peripheral ... | 08/14/2007 |
| 7252764 | Method for fabrication of a molecular filter and apparatus formed by the same The invention is a method for fabricating molecular filters which can separate objects approximately 1-5 nm in range, where the filtration size is controlled by using thin films of materials and technologies to form a filtration channel or pore in a middle thin film... | 08/07/2007 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7210585 | Edge filter assembly An edge filter assembly is disclosed. The edge filter assembly may include a housing having an inlet and an outlet. The edge filter assembly may further include a filter element disposed within the housing including first and second filter plates and first and secon... | 05/01/2007 |
| 7211209 | Method of making device for arraying biomolecules and for monitoring cell motility in real-time The invention relates to devices, devices for arraying biomolecules, including cells, methods for arraying biomolecules, assays for monitoring cellular movement, and systems for monitoring cellular movement. The devices include a support; a first layer configured to... | 05/01/2007 |
| 7198714 | Gutter screen assembly with water tension breaker The present invention provides a gutter screen attachment and a ridged filter assembly for minimizing water film runoff and debris collection adjacent a screened gutter. The screen attachment comprises a superior breaker edge, an inferior breaker edge, and a screen-... | 04/03/2007 |
| 7195070 | Method and apparatus for downhole artificial lift system protection A fluid conditioning system designed to be installed between the well perforation and the intake of a pump used to effect artificial lift is used to filter and chemically treat production fluids. The fluid conditioning system is an apparatus that provides scale inhi... | 03/27/2007 |
| 7182869 | Fuel filter arrangement A fuel filter and vapor separator arrangement having at least one layer of liquid fuel permeable material defining at least one substantially enclosed cavity. The permeable material has at least one opening to provide fluid communication of liquid fuel within the ca... | 02/27/2007 |
