Inventor · disambiguated record
George C. Ludwig
Also filed as: LUDWIG GEORGE · LUDWIG GEORGE C · LUDWIG GEORGE STONE
32 granted patents·1 pending application·553 citations·filing 1973–2001
97Inventor score
Top patents by PatentIndex Score
33 records- 0189US4718647APneumatic counterbalance with dual forceAVM INC·Filed 1986·Granted Jan 12, 1988·52 cites·15 claims
- 0287US4408751AMulti-chamber temperature compensated pneumatic counterbalanceAVM CORP·Filed 1981·Granted Oct 11, 1983·49 cites·36 claims
- 0383US4635908APneumatic counterbalanceAVM INC·Filed 1982·Granted Jan 13, 1987·38 cites·6 claims
- 0481US4768895ACaptive ball and socket jointAVM INC·Filed 1987·Granted Sep 6, 1988·49 cites·18 claims
- 0581US4310142AFuel pressure regulator assemblyTOM MCGUANE IND·Filed 1980·Granted Jan 12, 1982·34 cites·3 claims
- 0677US4010721AVacuum delay/relief valveBENDIX CORP·Filed 1975·Granted Mar 8, 1977·14 cites·5 claims
- 0774US4921225APneumatic spring structure with dual output force and pressure decay compensation and method of operationMAREMONT CORP·Filed 1989·Granted May 1, 1990·34 cites·11 claims
- 0874US4142677AFuel vapor vent valveTOM MCGUANE IND·Filed 1977·Granted Mar 6, 1979·23 cites·13 claims
- 0973US4363309AValve, particularly crossover passage valveAVM CORP·Filed 1980·Granted Dec 14, 1982·16 cites·11 claims
- 1071US4339743AMultiple resistance element assembly and method of making sameTOM MCGUANE IND·Filed 1980·Granted Jul 13, 1982·23 cites·22 claims
- 1168US4434761AFuel flow regulator control for a diesel engine with exhaust gas driven turbochargerTOM MCGUANE IND·Filed 1981·Granted Mar 6, 1984·16 cites·8 claims
- 1267US4854554APneumatic spring structure with dual output force and pressure decay compensation and method of operationMAREMONT CORP·Filed 1988·Granted Aug 8, 1989·24 cites·4 claims
- 1367US4204561AFuel pressure regulator assemblyTOM MCGUANE IND·Filed 1978·Granted May 27, 1980·12 cites·12 claims
- 1466US4079750AVacuum delay valveTOM MCGUANE IND·Filed 1976·Granted Mar 21, 1978·20 cites·24 claims
- 1558US4200269ASelf adjusting shock absorberLUDWIG GEORGE C·Filed 1977·Granted Apr 29, 1980·18 cites·3 claims
- 1657US4570912APneumatic spring counterbalance having improved damping structureAVM INC·Filed 1982·Granted Feb 18, 1986·18 cites·20 claims
- 1757US4156518AElectric vacuum valveTOM MCGUANE IND·Filed 1977·Granted May 29, 1979·15 cites·17 claims
- 1856US3995607AVacuum retard delay valveBENDIX CORP·Filed 1975·Granted Dec 7, 1976·7 cites·11 claims
- 1955US3933166AAltitude compensated vacuum regulating valveBENDIX CORP·Filed 1975·Granted Jan 20, 1976·8 cites·1 claims
- 2052US4047696AButterfly valveTOM MCGUANE IND·Filed 1976·Granted Sep 13, 1977·12 cites·7 claims
- 2151US4451964AMethod of making a pressurized pneumatic counterbalanceAVM CORP·Filed 1982·Granted Jun 5, 1984·14 cites·15 claims
- 2248US4788747ACounterbalance apparatus with transverse pneumatic spring and bellcrank linkageAVM INC·Filed 1986·Granted Dec 6, 1988·12 cites·20 claims
- 2343US3948232AAltitude compensated nonlinear vacuum spark advance control systemBENDIX CORP·Filed 1974·Granted Apr 6, 1976·8 cites·21 claims
- 2442US2002046352A1Method of authorization by proxy within a computer networkFiled 2001·Application pending·0 cites
- 2540US4451978AApparatus for making a pneumatic counterbalanceAVM CORP·Filed 1982·Granted Jun 5, 1984·6 cites·26 claims
- 2639US4351284AInternal combustion engine with water heated intake manifoldTOM MCGUANE IND·Filed 1979·Granted Sep 28, 1982·5 cites·3 claims
- 2739US4273157AThree way butterfly valveTOM MCGUANE IND·Filed 1978·Granted Jun 16, 1981·5 cites·10 claims
- 2837US3935843ANonlinear vacuum spark advance systemBENDIX CORP·Filed 1973·Granted Feb 3, 1976·5 cites·5 claims
- 2936US4064894AVacuum reducer valveBENDIX CORP·Filed 1976·Granted Dec 27, 1977·4 cites·4 claims
- 3034US4097778AHeadlamp automatic delay systemTOM MCGUANE IND·Filed 1976·Granted Jun 27, 1978·3 cites·33 claims
- 3133US4206732AAir cleaner temperature sensorTOM MCGUANE IND·Filed 1978·Granted Jun 10, 1980·2 cites·16 claims
- 3233US4189981ACombination throttle kicker and deceleration valveTOM MCGUANE IND·Filed 1977·Granted Feb 26, 1980·2 cites·10 claims
- 3333US4005821AThermomechanical vacuum regulator using bimetallic position sensingBENDIX CORP·Filed 1975·Granted Feb 1, 1977·5 cites·14 claims
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