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Class Information
Number: 261/DIG.84
Name: Gas and liquid contact apparatus > Tamperproof
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8544829 Adjustment safeguard Oct. 1, 2013
8376324 Readjustment-preventing carburetor and a method for preventing the carburetor from being readjusted Feb. 19, 2013
8348244 Carburetor valve adjustment limiter Jan. 8, 2013
8286614 Carburetor limiter cap device Oct. 16, 2012
7240896 Carburetor fuel adjustment assembly Jul. 10, 2007
7121533 Air filter housing with tamper resistant carburetor feature Oct. 17, 2006
7097164 Limiter cap for carburetor Aug. 29, 2006
7097165 Carburetor fuel adjustment and limiter assembly Aug. 29, 2006
7077387 Limited access adjustment system for an internal combustion engine Jul. 18, 2006
7070173 Carburetor air-fuel mixture adjustment assembly Jul. 4, 2006
6796551 Tamper resistant carburetor mixture needles Sep. 28, 2004
6691988 Tamper resistant carburetor mixture needles Feb. 17, 2004
6540212 Carburetor valve rotational setting retainer assembly Apr. 1, 2003
6467757 Carburetor valve adjustment limiter cap assembly Oct. 22, 2002
6402125 Carburetor valve rotational setting retainer assembly Jun. 11, 2002
6402124 Carburetor fuel mixture adjustment assembly Jun. 11, 2002
6302383 Tamper resistant device for engine adjuster Oct. 16, 2001
6302384 Needle valve carburetor Oct. 16, 2001
6234458 Carburetor with secured control screw May. 22, 2001
6123322 Single screw carburetor Sep. 26, 2000
6003845 Fuel mixture adjusting and limiting device Dec. 21, 1999
5984281 Carburetor needle valve and limiter cap installation and adjustment apparatus Nov. 16, 1999
5961896 Carburetor fuel adjusting device Oct. 5, 1999
5955007 Carburetor fuel adjusting device Sep. 21, 1999
5948325 Air-fuel ratio adjustment device for carburetor Sep. 7, 1999
5776379 Carburetor adjustment screw apparatus Jul. 7, 1998
5772927 Carburetor fuel adjusting device Jun. 30, 1998
5753148 Carburetor needle valve adjustment limiter cap apparatus and method of adjusting fuel flow May. 19, 1998
5709822 Fuel regulating mechanism for a rotary throttle valve type carburetor Jan. 20, 1998
5707561 Tamper resistant carburetor needle valve adjustment limiter Jan. 13, 1998
5695693 Carburetor fuel adjusting device Dec. 9, 1997
5667734 Carburetor with regulating valve limiting device Sep. 16, 1997
5635113 Carburetor adjustment screw apparatus Jun. 3, 1997
5630965 Low force limit device May. 20, 1997
5603869 Fuel mixture limitation device Feb. 18, 1997
5525267 Tamper resistant limit cap Jun. 11, 1996
5322645 Carburetor needle valve adjustment limiter cap and method of use Jun. 21, 1994
5252261 Adjustment safeguard for an adjusting screw Oct. 12, 1993
5236634 Carburetor needle valve adjustment limiter cap and method of adjusting fuel flow Aug. 17, 1993
4759883 Temperature compensated fluid flow metering system Jul. 26, 1988
4718828 Tamper-proof adjustment screw arrangement for vehicle fuel supply systems and the like Jan. 12, 1988
4470769 Tamper-resistant seal for a fuel injection pump Sep. 11, 1984
4378321 Tamper proof sealing plug Mar. 29, 1983
4333891 Tamper proof sealing plug Jun. 8, 1982
4331616 Adjusting screw of a carburetor May. 25, 1982
4317784 Adjust screw device for carburetor Mar. 2, 1982
4308219 Tamper resistant choke cover Dec. 29, 1981
4308220 Tamperproof protecting construction Dec. 29, 1981
4284589 Tamper resistant choke pull-off Aug. 18, 1981
4283353 Tamper proof sealing plug Aug. 11, 1981

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