Inventor · disambiguated record
Gerald D. Hall
Also filed as: HALL GERALD D
4 granted patents·34 citations·filing 1975–1977
73Inventor score
Files withCATERPILLAR TRACTOR CO4
Top patents by PatentIndex Score
4 records- 0167US3987814AFlow responsive poppet relief valveCATERPILLAR TRACTOR CO·Filed 1975·Granted Oct 26, 1976·22 cites·6 claims
- 0237US4168653ATwo position variable displacement motorCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 25, 1979·7 cites·6 claims
- 0323US4167892ALoad check with mechanical venting meansCATERPILLAR TRACTOR CO·Filed 1977·Granted Sep 18, 1979·2 cites·7 claims
- 0422US4163628AImplement circuit for motor with slow and fast dumpCATERPILLAR TRACTOR CO·Filed 1977·Granted Aug 7, 1979·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →