Inventor · disambiguated record
Randall L. Derr
Also filed as: DERR RANDALL L
5 granted patents·200 citations·filing 1991–2022
80Inventor score
Top patents by PatentIndex Score
5 records- 0192US5163538ALow level damping valve and method for a semi-active hydraulic damperGEN MOTORS CORP·Filed 1991·Granted Nov 17, 1992·118 cites·19 claims
- 0277US5577579AMethod of manufacturing a suspension damperGEN MOTORS CORP·Filed 1995·Granted Nov 26, 1996·44 cites·5 claims
- 0375US5333708ACompression cut-off valve for a hydraulic damperGEN MOTORS CORP·Filed 1993·Granted Aug 2, 1994·38 cites·7 claims
- 0443US12162325B2Suspension hydraulic lift actuator for axle trim height controlBEIJINGWEST IND CO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·19 claims
- 0528US6264290B1Single-operation valve assembly for braking systems and the likeDELPHI TECH INC·Filed 1999·Granted Jul 24, 2001·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →