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Browse by Category: Main > Chemistry
Class Information
Number: 55/399
Name: Gas separation > With guide means effecting removal of constituent layer out of gas stream > Spiral guide
Description: Apparatus in which the directing means is of helical configuration.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8470064 Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan Jun. 25, 2013
8454715 Device and a method for carrying out chemical and/or physical reactions between a solid material and a gas as well as a plant for cement manufacture Jun. 4, 2013
8075654 Gas-liquid separator with expansion transition flow Dec. 13, 2011
8002866 Steam-water separator Aug. 23, 2011
7938872 Device for separating particles from a gas stream May. 10, 2011
7837751 Two-stage separator apparatus for yard debris Nov. 23, 2010
7837752 Water removal downstream of a turbine Nov. 23, 2010
7799104 Dust collection container with bladed element for power tool with suction capacity Sep. 21, 2010
7780753 Dust collector cup of fall centrifugal separation type Aug. 24, 2010
7637978 Intake duct system for an engine Dec. 29, 2009
7540936 Oil/water separation system Jun. 2, 2009
7476317 Hydrocyclone for down-hole use Jan. 13, 2009
7354466 Collector and separator apparatus for lawn and garden Apr. 8, 2008
7354257 Refrigerating cycle or compressor having foreign matter collector Apr. 8, 2008
7338545 Apparatus for separating liquid from a process gas stream of an electrochemical cell stack Mar. 4, 2008
7279022 Spiraltrap: devices and methods for the trapping particulate matter in exhaust and of other pollutants Oct. 9, 2007
7169305 Advanced liquid vortex separation system Jan. 30, 2007
6802880 Air guided filter for internal combustion engine Oct. 12, 2004
6725654 Vortex device and system for treating exhaust gas from internal combustion engine Apr. 27, 2004
6666667 Refrigerating cycle or compressor having foreign matter collector Dec. 23, 2003
6331195 Coanda water extractor Dec. 18, 2001
6246739 Passive aerosol retention apparatus Jun. 12, 2001
6214071 Oil separator structure for an oil collector blower Apr. 10, 2001
6168641 Cyclone separator device for a vacuum cleaner Jan. 2, 2001
6129775 Terminal insert for a cyclone separator Oct. 10, 2000
6071331 Method and apparatus for separating gas from a gaseous material Jun. 6, 2000
6019825 Hydrocyclone gas separator Feb. 1, 2000
5885333 Low pressure drop steam separators Mar. 23, 1999
5570744 Separator systems for well production fluids Nov. 5, 1996
5505756 Ramp discharge outlet air precleaner Apr. 9, 1996
5462585 Method and apparatus for separating gas from a gaseous material Oct. 31, 1995
5385592 Filter device for compressed air Jan. 31, 1995
5224976 Device for separating liquids and/or solids from a high-pressure gas stream Jul. 6, 1993
5215553 Apparatus for separating particles from a gaseous medium Jun. 1, 1993
5215559 Device for separating fibres and gas Jun. 1, 1993
5178651 Method for purifying gas distribution systems Jan. 12, 1993
5137554 Cyclonic vacuum cleaner cone Aug. 11, 1992
5129931 Device for separating liquids and/or solids from a gas stream Jul. 14, 1992
5102431 Smog and particulate collection system for use on vehicles with internal combustion engines Apr. 7, 1992
5085826 Steam dryer Feb. 4, 1992
5033915 Low pressure drop steam/water conical cyclone separator Jul. 23, 1991
5019354 Fluid catalytic cracking catalyst-vapor separator May. 28, 1991
5000765 Condensate inhibiting outlet pipe for water-steam separator Mar. 19, 1991
4971603 Vortex tube separating device Nov. 20, 1990
4895582 Vortex chamber separator Jan. 23, 1990
4855050 Centrifugal oil separator for removing oil from a waste flowing stream Aug. 8, 1989
4848991 Vortex chamber separator Jul. 18, 1989
4746340 Air cleaner apparatus May. 24, 1988
4723972 Gas separation system Feb. 9, 1988
4600410 Process and apparatus for separating particulate matter from a gaseous medium Jul. 15, 1986

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