Inventor · disambiguated record
Ralph Clayson
Also filed as: CLAYSON III RALPH L · CLAYSON III RALPH LYLE · CLAYSON RALPH L
5 granted patents·2 pending applications·106 citations·filing 1995–2008
83Inventor score
Top patents by PatentIndex Score
7 records- 0183US7121244B2Anti-rotation guide for a roller follower valve lifterDELPHI TECH INC·Filed 2003·Granted Oct 17, 2006·22 cites·13 claims
- 0271US5931133ARoller cam follower bearing shaft retentionGEN MOTORS CORP·Filed 1998·Granted Aug 3, 1999·25 cites·16 claims
- 0371US5520144AValve actuation assemblyGEN MOTORS CORP·Filed 1995·Granted May 28, 1996·25 cites·3 claims
- 0464US6439186B1Mechanical oil filtration in an I.C. engine valve lifterDELPHI TECH INC·Filed 2001·Granted Aug 27, 2002·11 cites·9 claims
- 0562US6289765B1Roller follower shaft retentionDELPHI TECH INC·Filed 1999·Granted Sep 18, 2001·23 cites·8 claims
- 0642US2008230036A1Roller actuator for a mechanical fuel pumpBAUMAN WILLIAM D·Filed 2008·Application pending·0 cites
- 0735US2006266320A1Valve lifter with integral hydraulic lash adjuster and a method of measuring its dry lengthCLAYSON RALPH L·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →