Inventor · disambiguated record
Ronald E. Barker
Also filed as: BARKER RONALD E
5 granted patents·157 citations·filing 1979–2002
83Inventor score
Top patents by PatentIndex Score
5 records- 0193US6446820B1Railcar draft gear assembly and systemAMSTED IND INC·Filed 2000·Granted Sep 10, 2002·76 cites·27 claims
- 0291US6681943B2Railcar draft gear assembly and systemAMSTED IND INC·Filed 2002·Granted Jan 27, 2004·52 cites·18 claims
- 0344US4491300AValve with improved sealing structureAMSTED IND INC·Filed 1981·Granted Jan 1, 1985·12 cites·4 claims
- 0438US4811442ASweeping apparatusBARKER RONALD E·Filed 1988·Granted Mar 14, 1989·12 cites·4 claims
- 0530US4252085AAnimal twitchBARKER RONALD E·Filed 1979·Granted Feb 24, 1981·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →