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Browse by Category: Main > Chemistry
Class Information
Number: 55/417
Name: Gas separation > With separated gas outflow control (e.g., apertured conduit) > Valve
Description: Apparatus having a valve to vary gas flow to control the quantity of separated gas flowing through or out of the apparatus.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8617277 Pressure regulation control assembly; crankcase ventilation filter assembly including pressure regulation control assembly; components; and, methods Dec. 31, 2013
8585809 Air dryer cartridge Nov. 19, 2013
8551225 Gas-liquid-solid separator Oct. 8, 2013
8480774 Filter device, particularly reflux vacuum filter, and filter element for such a filter device Jul. 9, 2013
8480776 Air filtration device for compressor Jul. 9, 2013
8425669 Air pollution control apparatus and air pollution control method Apr. 23, 2013
8394161 HEPA filter cartridge for canister vacuums Mar. 12, 2013
8382882 Air pollution control apparatus and air pollution control method Feb. 26, 2013
8372173 Liquid separator Feb. 12, 2013
8349061 Combination relief valve and drainage mechanism requiring inserted element to permit drainage in a coalescer system Jan. 8, 2013
8323383 Cyclone with classifier inlet and small particle by-pass Dec. 4, 2012
8268031 Fabric filter system Sep. 18, 2012
8262762 Evacuation valve arrangements; pulse jet air cleaner systems using same; and, methods Sep. 11, 2012
8202354 Air pollution control apparatus and air pollution control method Jun. 19, 2012
8113238 Pumping system with manifold vent Feb. 14, 2012
8062409 Cleaning device and method for cleaning a workpiece Nov. 22, 2011
8057565 Air conditioning apparatus Nov. 15, 2011
8038770 Separator for degassing fluid Oct. 18, 2011
8038754 Systems and methods for delivering air to vehicle engines Oct. 18, 2011
7927396 Evacuation value arrangements; pulse jet air cleaner systems using same; and, method Apr. 19, 2011
7914594 Air filtering device and cleaning system of semiconductor manufacturing apparatus with the same Mar. 29, 2011
7850754 Device for separating a gas-liquid mixture, in particular during ventilation of a crankcase of an internal combustion engine Dec. 14, 2010
7789921 Portable devices for mitigating accumulation and localized settling of airborne particulates Sep. 7, 2010
7628846 Vacuum cleaner Dec. 8, 2009
7628830 Electric vacuum cleaner Dec. 8, 2009
7608136 In-line filter with quick-change coupling and a filter Oct. 27, 2009
7604677 Structure of air cleaner box Oct. 20, 2009
7527663 Ventilation system providing NBC protection May. 5, 2009
7520922 Air dryer system Apr. 21, 2009
7491258 Fuel tank ventilation device Feb. 17, 2009
7459003 In-line filter in a diffusion bonded layered substrate Dec. 2, 2008
7410519 Sandwich filter block Aug. 12, 2008
7390340 Filtration apparatus Jun. 24, 2008
7338552 Process and device for separating oil and volatile organic components from pressurized gases of a compression system Mar. 4, 2008
7320717 Industrial scale honeycomb type dust collector Jan. 22, 2008
7314501 Methods and device for filtration of exhaust gases for a diesel engine with a filtration surface which is variable by means of controlled obstruction Jan. 1, 2008
7300482 Particle separation apparatus Nov. 27, 2007
7287301 Utility vacuum Oct. 30, 2007
7288137 Particulate trap Oct. 30, 2007
7285150 Dehydrating breather apparatus and method Oct. 23, 2007
7285149 Oil separator for vehicle air system Oct. 23, 2007
7223298 Filter assembly for pipelines May. 29, 2007
7201787 Air cleaner and method of controlling operation thereof Apr. 10, 2007
7186286 Filter housing assembly with leak testable aerosol injection port Mar. 6, 2007
7160355 Method and system for regenerating diesel particle filters Jan. 9, 2007
7150778 Recirculation jacket filter system Dec. 19, 2006
7122067 Intake air filter for an internal combustion engine Oct. 17, 2006
7101412 Self-sealing protection filter port Sep. 5, 2006
6953490 In-line oil separator Oct. 11, 2005
6951581 Spin-on desiccant cartridge with integral oil removal filter Oct. 4, 2005

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