Inventor · disambiguated record
Roy E. Bartholomew
Also filed as: BARTHOLOMEW ROY E
8 granted patents·205 citations·filing 1975–1986
88Inventor score
Top patents by PatentIndex Score
8 records- 0192US4646840AFlotation riserCAMERON IRON WORKS INC·Filed 1985·Granted Mar 3, 1987·99 cites·11 claims
- 0282US4550953AElectro-pneumatic control for a vehicle fluid pressure braking systemALLIED CORP·Filed 1983·Granted Nov 5, 1985·22 cites·18 claims
- 0378US4368926ABrake proportioning systemBENDIX CORP·Filed 1980·Granted Jan 18, 1983·20 cites·9 claims
- 0477US4714483AAir dryer purge control for turbocharged compressorsALLIED CORP·Filed 1986·Granted Dec 22, 1987·39 cites·14 claims
- 0546US3953079AFluid pressure braking system including a pressure differential responsive valve deviceBENDIX CORP·Filed 1975·Granted Apr 27, 1976·5 cites·5 claims
- 0642US4605262AThree way check valveALLIED CORP·Filed 1984·Granted Aug 12, 1986·8 cites·3 claims
- 0741US4660894AProportioning brake valve with dual area secondary pistonALLIED CORP·Filed 1986·Granted Apr 28, 1987·5 cites·15 claims
- 0838US4691968ADual circuit brake valveALLIED CORP·Filed 1986·Granted Sep 8, 1987·7 cites·10 claims
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