Inventor · disambiguated record
Donald F. Durham
Also filed as: DURHAM DONALD F
4 granted patents·76 citations·filing 1974–1980
78Inventor score
Files withCATERPILLAR TRACTOR CO4
Top patents by PatentIndex Score
4 records- 0171US4077634APressure balanced metal to metal sealCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 7, 1978·26 cites·7 claims
- 0270US3940938ACup seal for a master brake cylinderCATERPILLAR TRACTOR CO·Filed 1974·Granted Mar 2, 1976·28 cites·15 claims
- 0349US4324114AMoveable joint sealCATERPILLAR TRACTOR CO·Filed 1980·Granted Apr 13, 1982·13 cites·17 claims
- 0447US4173129AUniversal joint structure with improved sealCATERPILLAR TRACTOR CO·Filed 1978·Granted Nov 6, 1979·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →