Inventor · disambiguated record
Earl James Irwin
Also filed as: IRWIN EARL J · IRWIN EARL JAMES
25 granted patents·649 citations·filing 1988–2004
97Inventor score
Files withSPICER TECH INC9TORQUE TRACTION TECH INC6DANA CORP5TORQUE TRACTION TECHNOLOGIES L2SPICER TECHNOLOGIES INC1
Top patents by PatentIndex Score
25 records- 0197US6398686B1Electronically controlled limited slip differential assemblySPICER TECH INC·Filed 2000·Granted Jun 4, 2002·113 cites·27 claims
- 0294US6478709B1Axle end play adjustment systems and methodsSPICER TECH INC·Filed 2000·Granted Nov 12, 2002·52 cites·11 claims
- 0390US6488606B1Limited slip differential with self contained oil supplySPICER TECH INC·Filed 2001·Granted Dec 3, 2002·36 cites·9 claims
- 0489US6729633B1Steering knuckle centering adjusterTORQUE TRACTION TECH INC·Filed 2001·Granted May 4, 2004·42 cites·13 claims
- 0589US6450914B1Adjustable axle shaft endplaySPICER TECH INC·Filed 2001·Granted Sep 17, 2002·44 cites·10 claims
- 0686US6227716B1Differential unit having an adjustable bearing assemblyFiled 1999·Granted May 8, 2001·50 cites·15 claims
- 0784US6618924B1Method for controlling axle shaft endplayTORQUE TRACTION TECH INC·Filed 2001·Granted Sep 16, 2003·31 cites·7 claims
- 0882US6729207B2Rigid drive axle assembly for motor vehiclesTORQUE TRACTION TECH INC·Filed 2002·Granted May 4, 2004·26 cites·29 claims
- 0981US7229376B1Adjustable drain-back baffleTORQUE TRACTION TECHNOLOGIES L·Filed 2004·Granted Jun 12, 2007·20 cites·18 claims
- 1079US6497027B1Method for controlling axle shaft endplay in differential assemblySPICER TECH INC·Filed 2000·Granted Dec 24, 2002·19 cites·10 claims
- 1174US6068571ADrive axle assembly having a ring gear adjustably secured to a differential caseDANA CORP·Filed 1999·Granted May 30, 2000·24 cites·8 claims
- 1274US6010424ATwo-piece limited slip differentialDANA CORP·Filed 1998·Granted Jan 4, 2000·25 cites·6 claims
- 1374US4901599ACross pin retainer block for a bevel gear differentialDANA CORP·Filed 1988·Granted Feb 20, 1990·27 cites·10 claims
- 1471US6368242B1Axle shaft retainer systemSPICER TECH INC·Filed 2000·Granted Apr 9, 2002·14 cites·8 claims
- 1569US6409626B1Axle assembly having a differential case adjustably secured to a housingSPICER TECH INC·Filed 2000·Granted Jun 25, 2002·19 cites·10 claims
- 1668US7155827B2Method for verifying predetermined bearing preload of differential assembly moduleTORQUE TRACTION TECHNOLOGIES L·Filed 2003·Granted Jan 2, 2007·13 cites·20 claims
- 1768US6293891B1Limited slip differential clutch packSPICER TECHNOLOGIES INC·Filed 1999·Granted Sep 25, 2001·22 cites·13 claims
- 1868US6283885B1Pressure relief check valve arrangement for differential assemblyFiled 2000·Granted Sep 4, 2001·12 cites·17 claims
- 1966US7137183B2Drive axle for motor vehicles and method for assembling the sameTORQUE TRACTION TECH INC·Filed 2003·Granted Nov 21, 2006·13 cites·20 claims
- 2061US6511395B1Sensor thrust washerSPICER TECH INC·Filed 2001·Granted Jan 28, 2003·8 cites·12 claims
- 2158US7121972B2Adjustable flange device for cover member in drive axle assemblyTORQUE TRACTION TECH INC·Filed 2003·Granted Oct 17, 2006·13 cites·19 claims
- 2255US6402655B1Limited slip differential with adjustable preloadSPICER TECH INC·Filed 2000·Granted Jun 11, 2002·6 cites·7 claims
- 2354US6588776B1Caster adjuster for a wheel assemblyTORQUE TRACTION TECH INC·Filed 2001·Granted Jul 8, 2003·7 cites·8 claims
- 2442US5976050AAxle shaft ball retainerDANA CORP·Filed 1998·Granted Nov 2, 1999·8 cites·5 claims
- 2537US6126565AMethod for controlling flow of lubrication in axle assembly and axle assembly with selectively adjustable drain-back spacerDANA CORP·Filed 1999·Granted Oct 3, 2000·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →