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| Number | Title | Issue Date |
| 7563299 | Filtering apparatus, filter regulator for use with spray gun and spraying system using the same A filtering apparatus includes a housing having an inlet and at least an outlet, and a filter arrangement disposed in the housing, downstream of the inlet and upstream of the outlet for filtering a pressurized gas entering the housing through the inlet to provide a ... | 07/21/2009 |
| RE40542 | Dual filter vacuum cleaner apparatus A dual filter arrangement for a vacuum cleaner for filtering particles of dust and debris from an airflow passing through the vacuum cleaner. The dual filter comprises a coarse pre-filter having an array of pores formed therein of substantially uniform diameter and ... | 10/21/2008 |
| 7390342 | Filter element A hollow filter element for removing material that is entrained in a gas stream. The filter element comprises a wall of a filtration medium which defines a hollow space so that a gas stream can flow from the space through the wall in order to be filtered. The wall c... | 06/24/2008 |
| 7370766 | Filter cloth and replaceable filter module A filter cloth whose underside comprises substantially parallel, additional yarns 8 that are thicker than the rest of the yarns of the cloth, substantially parallel channels 9 being formed between the yarns, wherein filtered liquid passed through the c... | 05/13/2008 |
| 7351270 | Air cleaner arrangements; serviceable filter elements; and, methods An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securin... | 04/01/2008 |
| 7338544 | Z-filter media with reverse-flow cleaning systems and methods A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction through the downstream flow face. Filter elements useable with such method... | 03/04/2008 |
| 7323029 | Air cleaner arrangements; serviceable filter elements; and, methods An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securin... | 01/29/2008 |
| 7314497 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 01/01/2008 |
| 7309372 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 12/18/2007 |
| 7291196 | Filamentary pad for improved mist elimination and mass transfer An apparatus and method of making a filamentary pad for improved mist elimination and mass transfer comprising a plurality of layers of mesh, each layer of mesh having a plurality of mesh openings defined therein. A plurality of preferential gas flow openings, each ... | 11/06/2007 |
| 7282075 | Z-filter media with reverse-flow cleaning systems and methods A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction through the downstream flow face. Filter elements useable with such method... | 10/16/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7252704 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a... | 08/07/2007 |
| 7247237 | Fluid cleaning filter and filter device A fluid cleaning filter of the present invention consists of a composite matrix composed of a pleated substrate 2 configured into a pleated shape and an active carbon-containing layer 3, wherein the pleated substrate 2 is made of polyurethane fo... | 07/24/2007 |
| 7185678 | Orifice plate diffuser A noise reducing device for a pressurized fluid stream, i.e., a gas, includes a housing. An inlet end and an outlet end of the housing each have at least one orifice for passing a fluid therethrough. The inlet end orifice includes an inlet face and an outlet face an... | 03/06/2007 |
| 7128772 | Filter assembly, process for producing the filter assembly and filter body having the filter assembly A filter assembly through which a fluid can flow and a method for the production thereof are provided. The filter assembly includes at least one covering layer made of an at least partially porous material with at least one boundary region and includes at least one ... | 10/31/2006 |
| 7097693 | Combination depth and phase separation membrane filter A combination depth and phase separation membrane filter to remove entrained liquids and immiscible liquids from hydrocarbon liquids, protecting industrial analyzers from liquid and solid contamination, etc. The preferred embodiment of the present invention contempl... | 08/29/2006 |
| 7093651 | Water pressure system with pressure tank installed within well casing of well A water pressure system includes a pressure tank installed underground within the well casing of a well. The water pressure system includes a submersible pump connected to the inlet of the pressure tank by a drop pipe. The outlet of the pressure tank is connected to... | 08/22/2006 |
| 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 |
| 7013924 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 03/21/2006 |
| 7008467 | Air cleaner and method of filtering A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes a z-filter media, arranged in a straight through configuration, ... | 03/07/2006 |
| 6994744 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a... | 02/07/2006 |
| 6978900 | Braided strainer for a draw line A braided strainer for a draw line, and method of forming same. The strainer comprises a frame in the form of a pair of spaced planar plates, one being a solid end plate and the other having a control aperture. A plurality of spaced, parallel rods of similar length ... | 12/27/2005 |
| 6968713 | Desiccant cup with integral filter A desiccant container for use in an accumulator or a receiver/dryer of a vehicle includes at least one integral mesh screen for preventing small particles from passing therethrough. Preferably, the container includes two integral mesh screens, one forming an upper s... | 11/29/2005 |
| 6966940 | Air filter cartridge A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes z-filter media, arranged in a straight through configuration, an... | 11/22/2005 |
| 6966935 | Filter cleaner for wet/dry vacuum A filter cleaner for wet/dry vacuum is provided for effectively cleaning filter cartridges employed for use in a class of vacuum cleaners commonly referred to as “wet/dry vacs.” The filter cleaner apparatus includes a cylindrical catch tank supported by a base. ... | 11/22/2005 |
| 6960245 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a... | 11/01/2005 |
| 6953124 | Filter element with end face inlets and discharge outlets A filter element for end face inlet formed of triangular channels which are alternately closed such that the fluid to be filtered must pass through the filter material in order to flow from the inlet side (22) to the discharge side (23). The channels a... | 10/11/2005 |
| 6926828 | Fluid filter A fluid filter is provided with a case body defining therein a holder and having pressing portions formed on the internal wall surface of the case body. The pressing portions can compress a filter medium housed in the holder. The pressing portions are pressed agains... | 08/09/2005 |
| 6923942 | Compressible preform insulating liner The invention provides a preform insulating end cone suitable for forming the end cone of a pollution control device. The preform insulating end cone includes a cone shaped intumescent or non-intumescent sheet material. The sheet material has a plurality of slits en... | 08/02/2005 |
| 6916363 | Air filter An air filter in which a thick sheet of textile of three-dimensionally knitted synthetic fiber thread is sliced at a middle position in a thickness direction and separated into a front face and a rear face. The front face or the rear face is one face side, and many ... | 07/12/2005 |
| 6825136 | Filtering screens for vibratory separation equipment A filtering screen comprises a fine woven wirecloth filtering mesh (4) disposed above a coarse woven wirecloth support mesh (2). An intermediate woven wirecloth mesh (3) is disposed between the fine woven mesh (4) and the coarse woven mes... | 11/30/2004 |
| 6818037 | Filter element A filter element is made of a first filtering member, and a second filtering member that is arranged on a downstream side of the first filtering member and is impregnated with an oil. The first filtering member consists of a downstream wet layer that is impregnated ... | 11/16/2004 |
| 6793715 | Equipment air filter The invention provides a filter that can be cut-to-fit or deformed to fit a variety of differently shaped and sized intakes. The invention also provides a filter kit that allows a user to create a filter of a desired size with attaching mechanisms to secure the filt... | 09/21/2004 |
| 6719148 | Filter cloth and replaceable filter module A filter cloth whose underside comprises substantially parallel, additional yarns that are thicker than the rest of the yarns of the cloth, substantially parallel channels being formed between the yarns, wherein filtered liquid that passed through the cloth, is allo... | 04/13/2004 |
| 6689278 | Combined hydrophobic-hydrophilic filter for fluids A combined filter for removing an aqueous fluid and entities, such as bacteria, existing in such aqueous fluid, from a nonaqueous fluid is described. The combined filter consists of a hydrophilic filter and a hydrophobic filter that are arranged in fluid ... | 02/10/2004 |
| 6585788 | Exhaust particulate removing filter of diesel engine The width of at least one felt out of a plurality of felts (22 to 24) is formed of ceramic fibers superposed between two wire nets (26, 27) for a heater is made to be narrower than the width w of the wire nets for heater (26, 27), and the width of other f... | 07/01/2003 |
| 6579350 | Air laid/wet laid gas filtration media A pleatable high efficiency non-woven, gas filtration media is provided. The media has an electrically charged air laid fibrous layer with a thickness between about 2 and about 35 mils, and a wet laid fibrous layer having a thickness of between about 5 an... | 06/17/2003 |
| 6546592 | Dual filter vacuum cleaner apparatus A dual filter arrangement for a vacuum cleaner for filtering particles of dust and debris from an airflow passing through the vacuum cleaner. The dual filter comprises a coarse pre-filter having an array of pores formed therein of substantially uniform di... | 04/15/2003 |
| 6533845 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first... | 03/18/2003 |
