Inventor · disambiguated record
Alex D. Colvin
Also filed as: COLVIN ALEX · COLVIN ALEX D · COLVIN ALEX DAVID
19 granted patents·2 pending applications·482 citations·filing 1981–2009
96Inventor score
Top patents by PatentIndex Score
21 records- 0188US7805986B2Portable vehicle exhaust flow sensorFORD GLOBAL TECH LLC·Filed 2009·Granted Oct 5, 2010·15 cites·17 claims
- 0285US5456124AProbe for exhaust gas samplingFORD MOTOR CO·Filed 1994·Granted Oct 10, 1995·53 cites·1 claims
- 0383US4928015AMeasuring multicomponent constituency of gas emission flowFORD MOTOR CO·Filed 1988·Granted May 22, 1990·48 cites·15 claims
- 0483US4751466AInstrument for on-line measurement of the absolute electrical conductivity of a liquidFORD MOTOR CO·Filed 1987·Granted Jun 14, 1988·50 cites·6 claims
- 0581US6781389B1Conductivity sensor for detecting conductivity of a fluidFORD GLOBAL TECH LLC·Filed 2001·Granted Aug 24, 2004·21 cites·20 claims
- 0680US7568383B2Portable vehicle exhaust flow sensorFORD GLOBAL TECH LLC·Filed 2004·Granted Aug 4, 2009·21 cites·3 claims
- 0780US4372155AMethods of monitoring a combustion systemFORD MOTOR CO·Filed 1981·Granted Feb 8, 1983·38 cites·7 claims
- 0875US5138163ADirect sampling of engine emissions for instantaneous analysisFORD MOTOR CO·Filed 1991·Granted Aug 11, 1992·43 cites·17 claims
- 0975US5025220AContinuous measurement of the absolute conductivity of a liquidFORD MOTOR CO·Filed 1989·Granted Jun 18, 1991·35 cites·9 claims
- 1072US5129257ASystem for measuring engine exhaust constituentsFORD MOTOR CO·Filed 1990·Granted Jul 14, 1992·41 cites·22 claims
- 1168US5531105AMethod and system for determining engine oil consumptionFORD MOTOR CO·Filed 1995·Granted Jul 2, 1996·38 cites·20 claims
- 1255US7197866B2Control approach for use with dual mode oxygen sensorFORD GLOBAL TECH LLC·Filed 2003·Granted Apr 3, 2007·8 cites·18 claims
- 1354US4801805AMethod of measuring multicomponent constituency of gas emission flowFORD MOTOR CO·Filed 1987·Granted Jan 31, 1989·17 cites·25 claims
- 1452US5014011ACapacitance measuring apparatus with means for nulling the resistive componentFORD MOTOR CO·Filed 1988·Granted May 7, 1991·15 cites·4 claims
- 1550US5106481ALinear air/fuel sensorFORD MOTOR CO·Filed 1991·Granted Apr 21, 1992·15 cites·7 claims
- 1648US4389881AMethod of measuring an air to fuel ratioFORD MOTOR CO·Filed 1981·Granted Jun 28, 1983·11 cites·7 claims
- 1746US2005274899A1Spectroscopic system and method for analysis in harsh, changing environmentsBUTLER JAMES·Filed 2004·Application pending·0 cites
- 1846US2005274169A1Vehicle/engine sampling system for precise analysis of exhaust componentsBUTLER JAMES·Filed 2004·Application pending·0 cites
- 1943US5117680AMethod and control circuit for measuring trace constituents in automotive engine exhaustFORD MOTOR CO·Filed 1991·Granted Jun 2, 1992·10 cites·32 claims
- 2037US6477886B1Apparatus for measuring the amount of air entrained in a fluidFORD GLOBAL TECH INC·Filed 2000·Granted Nov 12, 2002·1 cites·19 claims
- 2129US5794596AMethod and system for predictably controlling air/fuel ratioFORD GLOBAL TECH INC·Filed 1997·Granted Aug 18, 1998·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →