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| Number | Title | Issue Date |
| 8083827 | Low density mist collector pad A wire mesh mist collector pad having multiple density zones, the zones being arranged other than to provide a constantly increasing density gradient, provides a reduced pressure drop and increased capacity. For example, the pad can include at least three zones with... | 12/27/2011 |
| 7846230 | Diesel soot particulate filter medium A diesel soot particulate filter medium, as subject of the invention comprises fibers, preferably metal fibers. The diesel soot particulate filter medium has a thickness T between its inflow side and its outflow side being equal or more than 5 cm. The S/V at the inf... | 12/07/2010 |
| 7708798 | Inflator combustion control mechanism A filter is provided defining an enclosure having a volume that is resiliently variable responsive to an internal pressure within the enclosure. A gas generating system, an airbag system, and a vehicle occupant protection system incorporating the filter are also dis... | 05/04/2010 |
| 7637979 | Fabrication method of diesel particular filter element A diesel engine exhaust gas filter [8] is manufactured by winding a belt-like wire mesh [1] knitted from a metal wire [2] into a swirl body while being extended in the longitudinal direction and compressing it in the widthwise direction in a mol... | 12/29/2009 |
| 7510589 | Method for producing metal fibers, method for producing filter material, device for performing the method, fiber, filter material, particle filter, and motor vehicle having the filter material A method for producing metal fibers includes a machining production method using at least one rotating tool. A device for producing metal fibers, a filter material having such fibers, a method for producing the material, a particle filter using such material, a moto... | 03/31/2009 |
| 7452397 | Filtration member for inflator and method of manufacturing the same A filter (15) for an inflator, comprising a cylindrical body (15a) formed by winding wires (16) therearound. The cylindrical body (15a) further comprises an inner peripheral part (21) and an outer peripheral part (... | 11/18/2008 |
| 7449042 | Filtering member and method of manufacturing the same A filter (15) has a cylindrical body (15a). The cylindrical body (15a) is formed by laminating a plurality of pattern layers formed into a mesh form by a wire (16) in the radial direction. By repeating the traverse of the wi... | 11/11/2008 |
| 7435280 | Wire mesh filter with improved hoop strength A compressed wire mesh filter for an airbag assembly has one or more wires wrapped around the outer perimeter of the filter prior to final compression of the mesh to increase the hoop strength of the filter. ... | 10/14/2008 |
| 7410519 | Sandwich filter block A sandwich filter device including a block body and an insert held in the block body. The insert and the block body each have a passage for gas flow through. Positioned across the insert passage is a filter for removing contaminants from a gas stream. ... | 08/12/2008 |
| 7399522 | Heat-resistant filter element and method for production thereof A subject for the invention is to provide a low-cost heat-resistant filter element produced from polyethylene particles which is for use in separating and collecting particles from a dust gas, can be continuously used even in a high-temperature environment of about ... | 07/15/2008 |
| 7387654 | Screen assembly kit for an air processing unit A screen assembly, associated kit and method of forming the same. The screen assembly is adapted to filter intake air passing through an exterior surface of an air processing unit, and includes a substantially rectilinear screen mesh having opposing top and bottom e... | 06/17/2008 |
| 7341615 | Filter with locating feature A filter (10) and an inflator assembly (15) for use in an inflatable vehicle passenger restraint system. The inflator assembly (15) includes an inflator housing (70) having a wall (71), a combustion chamber (72) formed in an... | 03/11/2008 |
| 7311743 | Biofiltration apparatus and method for reducing methyl bromide concentration in a volume of gas A biofiltration apparatus and method for reducing methyl bromide concentration in a volume of a gas are disclosed. The apparatus includes a housing and a substrate component located in the housing. The substrate component includes a population of methyl bromide degr... | 12/25/2007 |
| 7294162 | Exhaust filter An exhaust filter having a pleated filter media mounted between end caps is disclosed herein. The filter has a construction suitable for high temperature environments such as engine exhaust systems. ... | 11/13/2007 |
| 7267703 | Electrically regeneratable filter element An electrically regeneratable filter element comprises at least two flanks, each of these flanks comprising a stiff material layer. Each of these flanks has at least one thermally and electrically insulated side. The filter element comprises further a metal fiber fl... | 09/11/2007 |
| 7264645 | Plate-shaped filter element A plate-shaped filter element made from several wire cloth layers and having at least one layer in the form of a filter cloth is designed to allow particles of a certain size can be filtered out from a filterable material, whereby, in particular, particles can be fi... | 09/04/2007 |
| 7247181 | Cyclonic dirt separation module The invention relates to dirt separator module comprising a dirt-separation housing having an inlet and an outlet opening and defining a cyclonic airflow separator, and a suction source fluidly connected with the dirt-separation housing. A separator plate and a cyli... | 07/24/2007 |
| 7244285 | Filter body for particle filter In a filter body for a particle filter with a filter part, comprised of a gas-permeable support material coated with a sintered metal powder, and with a connection part connected with the filter part and provided for welding together with a holding element, the filt... | 07/17/2007 |
| RE39611 | Filter with stiffening ribs Annular wire mesh filters for airbag assemblies for passenger vehicles are provided with a series of ribs extending parallel with the axis of the annulus and along the outer wall. The ribs provide added strength to the filter. Also provided is a method of manufactur... | 05/08/2007 |
| 7189274 | Exhaust gas filter with at least one filter layer and method for producing a filter layer An exhaust gas filter for cleaning an exhaust gas of an internal combustion engine includes at least one strip-shaped filter layer made of a material through which a fluid can at least partly flow. The filter layer has a length in a longitudinal direction and a widt... | 03/13/2007 |
| 7169200 | Particulate trap A particulate trap has a plurality of filters and an air distributor. The air distributor has an inner tube and an outer tube. Each of the inner and outer tubes have a plurality of openings to allow exhaust flow to the plurality of filters. One of the inner and oute... | 01/30/2007 |
| 7083663 | Active filtration of airborne contaminants employing heated porous resistance-heated filters Filter devices, suitable for rendering pathogenic microorganisms non-viable and capable of regeneration to serve as filter devices for applications such as diesel engines where combustible particulates are trapped, include at least one porous filter element which is... | 08/01/2006 |
| 7070640 | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful ap... | 07/04/2006 |
| 7052809 | Membrane and reticle-pellicle apparatus with purged pellicle-to-reticle gap using same A gas porous media which comprises a material having a low coefficient of thermal expansion that is capable of retaining 99.99% or more of particles of a size of about 0.003 microns and larger at 0.2 slpm/cm2 while demonstrating a permeability of 3.5×10 | 05/30/2006 |
| 7029520 | Dust collecting apparatus for an air conditioner A dust collecting apparatus for an air conditioner, including an ionizer to electrically charge dust particles in air; and a metal filter having fine metal fibers, disposed at a predetermined distance from a back of the ionizer, the metal filter having a polarity op... | 04/18/2006 |
| 7025797 | Folded mesh filter for particulates A wire mesh filter is made from a knitted wire sock, folded along its length, and then wound into a spiral, and is useful for diesel traps and other particulate filters that are regenerable by heating the filter. ... | 04/11/2006 |
| 7018449 | Filtration media Particles may be used to filter oleo material such as grease from a flow of fluid such as a gas. The particles can be arranged into a bed to filter the oleo material from the fluid. The filtrate substance collect on the inorganic particles. The particles are re-usab... | 03/28/2006 |
| 7001449 | Diesel exhaust filter system with electrical regeneration A filter element comprises a pleated metal fiber fleece which is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprises at least two flanks, each of the... | 02/21/2006 |
| 6997974 | High strength and ultra-efficient oil coalescer A coalescing assembly for coalescing entrained oil from a high temperature, high velocity gas stream comprises a coalescing element of compacted high temperature polyamide fibers, such as those available under the trademark Nomex®, rigidly held by concentric cylind... | 02/14/2006 |
| 6991668 | Diesel soot filter A filter for removing soot from the exhaust gases from a diesel engine. The filter incorporates two elements. The first element is a flow-through filter element incorporating a porous metal substrate formed by electrodepositing a metal such as nickel in the intersti... | 01/31/2006 |
| 6962615 | Filter element, particularly for separating a liquid from a gas stream A filter element composed of a nonwoven filter web of metal fibers affixed to a support body, in which the metal fibers of the filter web form an unsintered composite having a porosity of at least 90%. Preferably the metal fibers have a diameter of at most 4 μm. | 11/08/2005 |
| 6923911 | Method of filtering air through an air passageway The filter system for filtering particulate material from a generally unidirectional fluid stream comprising a first filter removably positioned in the fluid stream and a second filter removably positioned in the fluid stream downstream of the first filter. The firs... | 08/02/2005 |
| 6890376 | Gas purification system with an integrated hydrogen sorption and filter assembly The present invention provides a gas purification system with improved efficiency, simpler construction, cost reductions, form factor improvements, and increased durability. The present invention provides cost and form factor improvements through fewer components ov... | 05/10/2005 |
| 6866693 | Washable air filter for internal combustion engine A washable air filter for an internal combustion engine which has high durability and can be washed with ease to reuse it is disclosed. The washable air filter includes an outer cylindrical member 10; an inner cylindrical member 11; a first filter elem... | 03/15/2005 |
| 6857188 | Process for producing a particle filter A process for producing a particle filter from metal foil includes pulling the metal foil from an endless storage device. A joining element or strip is applied to the metal foil. The metal foil is shaped into subsequent channels. The metal foil is wound or stacked t... | 02/22/2005 |
| 6840977 | Coolant for air-bag gas generator and production method therefor The present invention provides a coolant for an air bag inflator in which unevenness in density in the axial direction is reduced even though the coolant is compressed in its axial direction. The coolant is a molded product made of wire rods and compressed in... | 01/11/2005 |
| 6797043 | Encapsulated CO2 H2O sorbent An assembly for removing carbon dioxide and water from a flow stream includes a housing that defines an inlet and an outlet. A CO2 sorbent sheet is disposed within the housing and includes integrally formed airflow passages and support structures. The CO | 09/28/2004 |
| 6793701 | Air-liquid separating apparatus for compressed air An air-liquid separating apparatus for compressed air includes a cooling device adapted to be connected to an air source via a first transfer tube. The cooling device includes a liquid cooling tank filled with cooling agent and a cooling tube spiraled in the liquid ... | 09/21/2004 |
| 6776814 | Dual section exhaust aftertreatment filter and method An exhaust aftertreatment filter (100) is provided for internal combustion engine exhaust, and includes an axially extending cylindrical filter roll (106) having pleated filter media (110) defining a plurality of axially extending flow channels ... | 08/17/2004 |
| 6764593 | Automobile air conditioning refrigerant filter A refrigerant filter, attachable to automotive air-conditioning systems, for removal of debris from air-conditioning refrigerants. The filter media is contained within a two-part hollow body for flow-through filtration of the refrigerants. The first and second parts... | 07/20/2004 |
