Inventor · disambiguated record
Alan R. Coutant
Also filed as: COUTANT ALAN R
31 granted patents·2 pending applications·883 citations·filing 1980–2008
98Inventor score
Top patents by PatentIndex Score
33 records- 0197US5667452ASplit torque transmissionCATERPILLAR INC·Filed 1995·Granted Sep 16, 1997·114 cites·7 claims
- 0296US4949823AControl system and logic system for independent control of vehicle brakesCATERPILLAR INC·Filed 1989·Granted Aug 21, 1990·56 cites·28 claims
- 0395US5890981AHydromechanical transmission having three planetaries and five membersCATERPILLAR INC·Filed 1996·Granted Apr 6, 1999·73 cites·13 claims
- 0495US5868640AHydromechanical transmission having four members and two planetariesCATERPILLAR INC·Filed 1996·Granted Feb 9, 1999·66 cites·11 claims
- 0594US5553453AMethod for providing different speed ranges for a speed pedalCATERPILLAR INC·Filed 1995·Granted Sep 10, 1996·83 cites·5 claims
- 0687US4729408AControl system for independent control of fluid actuated devicesCATERPILLAR INC·Filed 1986·Granted Mar 8, 1988·33 cites·13 claims
- 0785US5842144ADefault mode control system for a split torque transmissionCATERPILLAR INC·Filed 1997·Granted Nov 24, 1998·39 cites·6 claims
- 0884US6425729B1Arrangement for controlling a work machineCATERPILLAR INC·Filed 2000·Granted Jul 30, 2002·30 cites·18 claims
- 0984US5682315AMethod and system for controlling a split torque transmissionCATERPILLAR INC·Filed 1995·Granted Oct 28, 1997·40 cites·4 claims
- 1082US5916050AElectro-mechanical transmissionCATERPILLAR INC·Filed 1997·Granted Jun 29, 1999·33 cites·8 claims
- 1181US5624339AMethod for controlling shift points in a continuously variable transmissionCATERPILLAR INC·Filed 1995·Granted Apr 29, 1997·35 cites·4 claims
- 1277US6010422AElectro-mechanical transmissionCATERPILLAR INC·Filed 1998·Granted Jan 4, 2000·28 cites·18 claims
- 1373US5997425ADifferential steer and final drive configurationCATERPILLAR INC·Filed 1998·Granted Dec 7, 1999·43 cites·13 claims
- 1471US4478237APressure modulating and reducing valveCATERPILLAR TRACTOR CO·Filed 1983·Granted Oct 23, 1984·18 cites·17 claims
- 1567US4620560AModulating relief valve with dual functioning load pistonCATERPILLAR INC·Filed 1985·Granted Nov 4, 1986·19 cites·11 claims
- 1662US5561979AControl arrangement for a hydrostatic systemCATERPILLAR INC·Filed 1995·Granted Oct 8, 1996·19 cites·5 claims
- 1760US6904994B2Horizontal transmission and oil system for telehandlersCATERPILLAR INC·Filed 2002·Granted Jun 14, 2005·15 cites·33 claims
- 1860US4865176AModulating inching valve with automatic pressure controlCATERPILLAR INC·Filed 1988·Granted Sep 12, 1989·14 cites·13 claims
- 1959US4506564AAutomatic transmission control pressure regulatorFORD MOTOR CO·Filed 1981·Granted Mar 26, 1985·15 cites·2 claims
- 2058US5575735AIntegrated power transmitting systemCATERPILLAR INC·Filed 1995·Granted Nov 19, 1996·17 cites·6 claims
- 2155US4798099AControl mechanism for operating a vehicleCATERPILLAR INC·Filed 1987·Granted Jan 17, 1989·16 cites·19 claims
- 2253US8118706B2Machine having a multiple-ratio transmissionCOUTANT ALAN R·Filed 2008·Granted Feb 21, 2012·4 cites·17 claims
- 2351US5636119ADownstream rate limiting method in transmission controlCATERPILLAR INC·Filed 1995·Granted Jun 3, 1997·13 cites·2 claims
- 2451US4676349AFluid pressure control system having a pressure cutback deviceCATERPILLAR INC·Filed 1986·Granted Jun 30, 1987·10 cites·15 claims
- 2550US4423644AMulti-speed planetary differentialCATERPILLAR TRACTOR CO·Filed 1981·Granted Jan 3, 1984·11 cites·10 claims
- 2648US4676348AFluid pressure control system having a timed pressure cutback deviceCATERPILLAR INC·Filed 1986·Granted Jun 30, 1987·10 cites·19 claims
- 2745US5582007AMethod for smooth hydrostatic pump/motor transitionsCATERPILLAR INC·Filed 1995·Granted Dec 10, 1996·10 cites·6 claims
- 2843US4619187AFluid control for two independent actuatorsCATERPILLAR INC·Filed 1982·Granted Oct 28, 1986·6 cites·6 claims
- 2940US2002190948A1Arcuate track joystick assemblyFiled 2001·Application pending·0 cites
- 3039US6050228AHydro-mechanical fan driveCATERPILLAR INC·Filed 1998·Granted Apr 18, 2000·8 cites·17 claims
- 3138US2004210372A1Method and system of analyzing a powertrainFiled 2003·Application pending·0 cites
- 3232US4817770AControl system for independent control of fluid actuated devicesCATERPILLAR INC·Filed 1987·Granted Apr 4, 1989·2 cites·3 claims
- 3332US4345508AControl system for sequentially actuating fluid actuatorsCATERPILLAR TRACTOR CO·Filed 1980·Granted Aug 24, 1982·3 cites·8 claims
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