Inventor · disambiguated record

Richard P. Riefel

Also filed as: RIEFEL RICHARD P · WEISGERBER THOMAS W

2 granted patents·104 citations·filing 1977–1981

67Inventor score

Technology areasF01C F02B

Files withGEN MOTORS CORP2

Top patents by PatentIndex Score

2 records

0192US4386891ARotary hydraulic vane pump with undervane passages for primingGEN MOTORS CORP·Filed 1981·Granted Jun 7, 1983·88 cites·2 claims
0264US4156416AEngine driven vacuum pumpGEN MOTORS CORP·Filed 1977·Granted May 29, 1979·16 cites·3 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →