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Class Information
Number: 261/DIG.68
Name: Gas and liquid contact apparatus > Diaphragm-controlled inlet valve
Description:










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8511649 Engine model carburetor Aug. 20, 2013
8444119 Carburetor May. 21, 2013
8366080 Fuel supply device for engine Feb. 5, 2013
7527248 Diaphragm carburettor with single pump and meter block for internal combustion engines May. 5, 2009
7455283 Diaphragm carburetor Nov. 25, 2008
7441753 Carburetor Oct. 28, 2008
6941925 Fuel supply control system for engine Sep. 13, 2005
6913250 Carburetor arrangement Jul. 5, 2005
6786208 Boost fuel enricher Sep. 7, 2004
6715737 Fuel metering system for a carburetor Apr. 6, 2004
6702261 Electronic control diaphragm carburetor Mar. 9, 2004
6698727 Electronic control diaphragm carburetor Mar. 2, 2004
6622992 Carburetor with fuel enrichment Sep. 23, 2003
6595500 Membrane carburetor Jul. 22, 2003
6581916 Electronic control diaphragm carburetor Jun. 24, 2003
6523809 Carburetor with fuel enrichment Feb. 25, 2003
6520488 High performance power valve for a carburetor Feb. 18, 2003
6494180 Implement having speed regulation Dec. 17, 2002
6446939 Modular diaphragm carburetor Sep. 10, 2002
6439546 Carburetor with fuel vapor control Aug. 27, 2002
6425573 Carburetor with vapor purge pump Jul. 30, 2002
6394424 Carburetor with diaphragm type fuel pump May. 28, 2002
6382598 Fuel flow control device for diaphragm-type carburetor May. 7, 2002
6354571 Membrane carburetor Mar. 12, 2002
6328288 Diaphragm-type carburetor for a two-cycle engine that operates with layered scavenging Dec. 11, 2001
6247681 Carburetor for an internal combustion engine of a hand-held working tool Jun. 19, 2001
6234456 Diaphragm carburetor May. 22, 2001
6234457 Method of operating a diaphragm-type carburetor May. 22, 2001
6234458 Carburetor with secured control screw May. 22, 2001
6217008 Diaphragm-type carburetor Apr. 17, 2001
6202988 Diaphragm-type carburetor Mar. 20, 2001
6149139 Membrane carburetor for a portable handheld work apparatus Nov. 21, 2000
6142454 Diaphragm carburetor Nov. 7, 2000
6135429 Carburetor with automatic fuel enrichment Oct. 24, 2000
6131890 Diaphragm carburetor system Oct. 17, 2000
6123322 Single screw carburetor Sep. 26, 2000
6092793 Constant vacuum type carburetor Jul. 25, 2000
6086054 Diaphragm type carburetor Jul. 11, 2000
6079697 Method and apparatus for fast start fuel system for an internal combustion engine Jun. 27, 2000
6065739 Diaphragm carburetor for an internal combustion engine of a hand-held working tool May. 23, 2000
6059271 Carburetor for an internal combustion engine May. 9, 2000
5988602 Variable venturi carburetor Nov. 23, 1999
5891369 Method and apparatus for fast start fuel system for an internal combustion engine Apr. 6, 1999
5879595 Carburetor internal vent and fuel regulation assembly Mar. 9, 1999
5817257 Fuel metering system Oct. 6, 1998
5743240 Hand-guided, portable tool with internal combustion engine Apr. 28, 1998
5720906 Down-drafting constant vacuum type diaphragm carburettor Feb. 24, 1998
5681508 Diaphragm carburetor for an internal combustion engine Oct. 28, 1997
5676887 Floatless carburetor Oct. 14, 1997
5599484 Construction of a fuel supply pipe in a rotary throttle valve type carburetor Feb. 4, 1997

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