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| Number | Title | Issue Date |
| 8105409 | Filter retention system Embodiments of the present invention include a filter latching device for use in a filtering system that provides filtered intake air for a power generation facility. In some embodiments, a filter latch is provided that includes a hinge coupled to the filter frame a... | 01/31/2012 |
| 8092565 | Particulate filter Disclosed is a particulate filter 10, which comprises a filter body 8 including a plurality of filter segments F1, F2 joined to each other by a joining material 7, wherein each of the filter segments includes a plurality of inflow ... | 01/10/2012 |
| 8052770 | Filter retainer for turbine engine Embodiments of the present invention include a filter clamping device for use in a filtering system that provides filtered intake air for a power generation facility. In some embodiments, a filter clamp is provided, which includes an over-center action mechanism tha... | 11/08/2011 |
| 8048186 | Filter retention systems and devices A system, in certain embodiments, includes a filter holding frame configured to support a plurality of filters for a turbine engine. The filter holding frame has a first filter cell and a first retainer. The first retainer has a first retaining pad coupled to a firs... | 11/01/2011 |
| 8048185 | Diesel particulate filter assembly A filter assembly configured to be incorporated into an exhaust treatment device, the filter assembly comprising: a plurality of channel frames secured to each other, each channel frame defining a perimeter for supporting a filter element, the perimeter surrounding ... | 11/01/2011 |
| 8021454 | Disposable air filter sub-assembly A disposable air filter sub-assembly that includes: (a) air filtration media; (b) a substantially planar air filter frame providing three-dimensional support for the air filtration media; and (c) an air filter frame-connecting means integrated into the air filter fr... | 09/20/2011 |
| 8007555 | Filter with multiple sections of different media A panel air filter assembly, for use in heating, ventilating and air conditioning (HVAC) systems, which has a single filter element with multiple portions. The single filter element is sectioned into substantially equally-dimensioned and separate filter portions. Ea... | 08/30/2011 |
| 7972401 | Air intake filter assembly An air intake filter assembly for filtering air flowing from a front end to a rear end includes a housing, a first filter stage, and a second filter stage. The filter stages are insertable in and removable from the housing. A latch is movable between a latched posit... | 07/05/2011 |
| 7427309 | Honeycomb filter and ceramic filter assembly A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sin... | 09/23/2008 |
| 7413587 | Disposable filter for a fluid handling device and a method for using the same A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter.... | 08/19/2008 |
| 7361214 | Disposable cartridge for air/gas dryer A disposable dryer cartridge for an air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The cartridge includes a flexible elongated casing having a drying composition therein. The casing has an air/... | 04/22/2008 |
| 7347042 | Exhaust gas filter and method for cleaning an exhaust gas An exhaust gas filter for cleaning an exhaust gas of an internal combustion engine, includes at least one strip-shaped filter layer. The filter layer has at least one filter region formed of a material through which a fluid can at least partly flow, for filtering ou... | 03/25/2008 |
| 7332013 | Compressed air/gas-driven tool with integrated dryness indicator An air/gas-driven tool with an integrated air/gas dryness indicator. The tool includes a housing that defines a cavity. An air/gas dryness detector is disposed in the cavity. An air/gas flow passage is situated to provide a stream of compressed air/gas to the drynes... | 02/19/2008 |
| 7328773 | Oil passage switching valve having oil filter Oil ports formed on a cylindrical sleeve of an oil passage switching valve are covered with respective filters. The filter is formed in a ring shape by rounding a resilient metal strip having plural filter holes formed thereon. The filter clings around the outer per... | 02/12/2008 |
| 7331056 | Data storage cartridge having baffles A media cartridge for use with data storage libraries. The cartridge includes a housing having an opening through which a carrier tray can be loaded and extracted to reveal a media element. A number of baffles are included to limit exposure of the media elements to ... | 02/12/2008 |
| 7320720 | Interlocking filtration device A filtration device adapted for adjustably interlocking with adjacent filtration devices in a filter bank, wherein inversely disposed flaps on opposing sidewalls, such us an upper flap disposed along a first sidewall and a lower flap disposed along an opposing sidew... | 01/22/2008 |
| 7320725 | Disposable cartridge air/gas dryer A disposable cartridge air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The dryer includes a pressure vessel having first and second ends, an inlet port, and an outlet port. A disposable dryer ca... | 01/22/2008 |
| 7309369 | Filter module The invention relates to a filter module in the form of a hollow body with at least one chamber. The walls of the hollow body are made of a non-metallic material that can be comminuted and/or disintegrated in a recycling process. The material is a paper product, suc... | 12/18/2007 |
| 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 |
| 7291197 | Particulate trap filter element A filter element has a filter media and at least one base member. The filter element further has a ceramic paste connecting the filter media to the at least one base member. ... | 11/06/2007 |
| 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 |
| 7264726 | Nanocrystal-containing filtration media The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The filtration media can be compressed into a filtration block, has low pressure d... | 09/04/2007 |
| 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 |
| 7225613 | Diesel engine after treatment device for conversion of nitrogen oxide and particulate matter An automobile exhaust filter that both traps particulates while altering the concentration of one or more gaseous species is provided. This dual functionality is combined in a single device by utilizing a reactive material that simultaneously alters gaseous componen... | 06/05/2007 |
| 7201845 | System for inserting and removing frames of a fluid transfer system A system for moving a filter or a retainer into or out of a fluid pathway without halting the movement of the fluid in the pathway. When acting as a filtering device, the system includes a filter frame and a drive mechanism for slidingly moving the filter frame on s... | 04/10/2007 |
| 7191592 | Diesel engine exhaust system Apparatus and a method for controlling gas flow into a combustion engine exhaust gas filter e.g., to control filter temperatures during filter regeneration, comprising providing a fluidic exhaust stream diverter proximate to and centrally of the inlet face of the fi... | 03/20/2007 |
| 7186290 | Filter system with automatic media refresh A filter system includes a source of clean filter media adjacent a channel through which fluid passes. The filter media is automatically advanced from the source to the channel and eventually to a sealed container adjacent the channel. The filter media is automatica... | 03/06/2007 |
| 7186287 | Disposable filter for a fluid handling device and a method for using the same A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter.... | 03/06/2007 |
| 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 |
| 7159393 | Device for exhaust gas purification A device for purifying exhaust gases from a combustion engine (1) is provided with a first filter (10) arranged in an exhaust conduit (7) between the engine (1) and an exhaust outlet (8) for removing particular constituents from th... | 01/09/2007 |
| 7128771 | Air filter retaining system A filter retaining system formed from multiple filter retaining frames is disclosed. Each of the frames is formed from either a female type extrusion or a combination of male and female type extrusions. Specifically, each frame has either a tongue or a groove which ... | 10/31/2006 |
| 7112233 | Honeycomb filter and ceramic filter assembly A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sin... | 09/26/2006 |
| 7108739 | Efficiently regenerated particle trap for an internal combustion engine and method of operating same Particle traps are often used to reduce particulate emissions from internal combustion engines to acceptable levels. In order to maintain the particulate traps, they must be periodically regenerated in order to burn off the trapped particles. Strategies for efficien... | 09/19/2006 |
| 7090711 | Multistage air cleaner including pulse cleaning system A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has... | 08/15/2006 |
| 7087167 | Sanitary filtration plant with helical filter elements A sanitary filtration plant including an oblong, tubular pressure vessel having one or more helical filter elements. Each helical filter element has a spiral-wound filter member and a central tube and, at an outlet end, a supporting structure formed as a wheel with ... | 08/08/2006 |
| 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 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 7025806 | Electrically enhanced air filtration with improved efficacy A filter assembly particularly useful in electronically enhanced air cleaning systems including a fibrous filter media. A conductive electrode is affixed to the fibrous filter media, so that the conductive electrode makes physical contact to the fibrous filter media... | 04/11/2006 |
| 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 |
| 6994743 | Two stage air filter A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to... | 02/07/2006 |
