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Class Information
Number: 261/DIG.56
Name: Gas and liquid contact apparatus > Variable venturi
Description:










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8371560 Method and device for exchanging mass and energy between gas and liquid Feb. 12, 2013
8167277 Fluid shear promotion in a carburetor booster May. 1, 2012
8091867 Apparatus for producing microbubble liquid and device for atomizing air bubbles using the same Jan. 10, 2012
7971858 Variable venturi carburetor Jul. 5, 2011
7513487 Carburetor Apr. 7, 2009
7407641 Method for generating chlorine dioxide Aug. 5, 2008
7264224 Valve with offset venturi Sep. 4, 2007
6969052 Air aspirator-mixer Nov. 29, 2005
6967010 Chlorine dioxide generator Nov. 22, 2005
6868830 Venturi induction for internal combustion engines Mar. 22, 2005
6851663 Fluid emulsification systems and methods Feb. 8, 2005
6827339 Variable venturi-type carburetor with automatic vacuum regulation and cam control mechanism Dec. 7, 2004
6505821 Carburetor Jan. 14, 2003
6478288 High performance carburetor Nov. 12, 2002
6446940 Fuel-air mixer Sep. 10, 2002
6290215 Carburetor with pressurized fuel injectors Sep. 18, 2001
6279882 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof Aug. 28, 2001
6164631 Carburetor with elliptical venturi Dec. 26, 2000
6120007 Carburetor with color-coded interchangeable components Sep. 19, 2000
5988602 Variable venturi carburetor Nov. 23, 1999
5948209 Stripping of volatile substances from less volatile fluids Sep. 7, 1999
5942020 Apparatus for evacuating air from curing area of UV lamps for fiber-like substrates Aug. 24, 1999
5863470 Carburetor with a replaceable venturi sleeves Jan. 26, 1999
5807512 Carburetor with replaceable booster venturis Sep. 15, 1998
5446952 Pneumatic induction fiber spreader with lateral venturi restrictors Sep. 5, 1995
5211916 Stripping system May. 18, 1993
5061406 In-line gas/liquid dispersion Oct. 29, 1991
5035222 System for correcting the composition of fuel-air mixture upon a change in the state of loading of an internal combustion engine Jul. 30, 1991
5012788 Fuel-air mixture-forming device for internal combustion engines May. 7, 1991
4946631 Carburetor Aug. 7, 1990
4783286 Rotor-actuating carburetor with variable venturi tube Nov. 8, 1988
4670195 Carburetor Jun. 2, 1987
4627401 High-velocity carburetor for an Otto engine Dec. 9, 1986
4574760 Fuel injection throttle body Mar. 11, 1986
4559185 Variable venturi type carburetor Dec. 17, 1985
4551284 Carburetor with a slidable throttle member controlling the air induction passage Nov. 5, 1985
4545350 Fuel controller of variable choke carburetor Oct. 8, 1985
4538570 Fluid valve Sep. 3, 1985
4530805 Flow regulating carburetors Jul. 23, 1985
4512312 Variable venturi-type carburetor Apr. 23, 1985
4506644 Exhaust gas-purifying device of an internal combustion engine Mar. 26, 1985
4501709 Variable venturi carburetor Feb. 26, 1985
4482507 Sonic carburetor Nov. 13, 1984
4465644 Carburetor with an inductor passage controlled by a throttle slide Aug. 14, 1984
4465642 Variable venturi-type carburetor Aug. 14, 1984
4464311 Variable venturi-type carburetor Aug. 7, 1984
4459243 Variable venturi-type carburetor Jul. 10, 1984
4454076 Variable venturi carburetor Jun. 12, 1984
4450119 Variable venturi carburetor May. 22, 1984
4447371 Carburetor May. 8, 1984

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