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Class Information
Number: 55/456
Name: Gas separation > Deflector > Fixed gas whirler or rotator means > Helical vane or baffle within flow conduit
Description: Apparatus wherein said member is situated within a gas flow passage and is twisted or turned about its axis.


Sub-classes under this class:

Class Number Class Name Patents
55/457 Between gas flow path wall and central core 189


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7597730 Dust collection apparatus for vacuum cleaner Oct. 6, 2009
7591869 Apparatus and method for extracting condensate Sep. 22, 2009
7588611 Method and apparatus for suppressing sparks Sep. 15, 2009
7559975 Process for transforming gas/liquid flow into laminar or stratified flow Jul. 14, 2009
7494535 Cyclonic fluid separator Feb. 24, 2009
7491253 Engine intake system with accessible, interchangeable air filters Feb. 17, 2009
7476317 Hydrocyclone for down-hole use Jan. 13, 2009
7445651 Filter element Nov. 4, 2008
7364601 Precleaner arrangement for use in air filtration; method; and, air cleaner using same Apr. 29, 2008
7338545 Apparatus for separating liquid from a process gas stream of an electrochemical cell stack Mar. 4, 2008
7320718 Device for a cyclone scrubber Jan. 22, 2008
7311765 Energy and/or mass exchange apparatus having an integrated fluid separator Dec. 25, 2007
7258727 Apparatus for separating particles from a flowing medium Aug. 21, 2007
7192462 Engine air filter and sealing system Mar. 20, 2007
7163626 Device for treating a gas/liquid mixture Jan. 16, 2007
7077885 Gas/liquid phase separator and the fuel cell-based power production unit equipped with one such separator Jul. 18, 2006
6977004 Vapor-liquid separator Dec. 20, 2005
6936085 Vacuum loader Aug. 30, 2005
6630014 Mist eliminator Oct. 7, 2003
6589322 Oil seal liquid separator Jul. 8, 2003
6540917 Cyclonic inertial fluid cleaning apparatus Apr. 1, 2003
6332239 Vacuum cleaner with tangential separation of trash Dec. 25, 2001
6331195 Coanda water extractor Dec. 18, 2001
6280493 Air pre-cleaner Aug. 28, 2001
6280502 Removing solids from a fluid Aug. 28, 2001
6264712 Low intake restriction air precleaner Jul. 24, 2001
6190438 Mist eliminator Feb. 20, 2001
6174339 Multiple separator arrangement for fluid-particle separation Jan. 16, 2001
6083292 Domestic vacuum cleaner with axial cyclone Jul. 4, 2000
6083291 Gas transfer pipe arrangement Jul. 4, 2000
6080217 Device for separating excess powder oversprayed when powder coating workpieces Jun. 27, 2000
6019825 Hydrocyclone gas separator Feb. 1, 2000
5961675 High efficiency compact Cybagfilter Oct. 5, 1999
5904756 Mist recovering method and apparatus May. 18, 1999
5885333 Low pressure drop steam separators Mar. 23, 1999
5853443 Moisture separator for fluid compressor Dec. 29, 1998
5746790 Trap for collecting solid May. 5, 1998
5746791 Moisture and contaminant separator for compressed air May. 5, 1998
5743926 Apparatus for separation of liquid and vapor in distillation/flashing process Apr. 28, 1998
5698014 Liquid carryover control for spiral gas liquid separator Dec. 16, 1997
5554209 Device for removing contaminants from a gas stream Sep. 10, 1996
5510017 Pipe liquid/gas separator having vane sets Apr. 23, 1996
5505756 Ramp discharge outlet air precleaner Apr. 9, 1996
5498273 Particle separation Mar. 12, 1996
5466384 Device and process for carrying out phase separation by filtration and centrifugation Nov. 14, 1995
5449391 Air precleaner Sep. 12, 1995
5403563 Apparatus for silicon nitride precursor solids recovery Apr. 4, 1995
5300132 Contacting device Apr. 5, 1994
5294410 Gas purification and conditioning system Mar. 15, 1994
5262046 In-line cyclone separator and method of solid/gas separation Nov. 16, 1993

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