Inventor · disambiguated record
Virgil R. C. Durgan
Also filed as: DURGAN VIRGIL R C · DURGAN VIRGIL RICHARD CHARLES
6 granted patents·108 citations·filing 1975–1977
83Inventor score
Files withCATERPILLAR TRACTOR CO6
Top patents by PatentIndex Score
6 records- 0184US3973429ATest apparatus for engine headsCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 10, 1976·45 cites·26 claims
- 0278US3998488AConnecting element for moving meansCATERPILLAR TRACTOR CO·Filed 1976·Granted Dec 21, 1976·27 cites·8 claims
- 0368US3937443ACrankcase guard jack utilizing double parallelogramCATERPILLAR TRACTOR CO·Filed 1975·Granted Feb 10, 1976·21 cites·10 claims
- 0444US4022453AClamp for engine head service test benchCATERPILLAR TRACTOR CO·Filed 1976·Granted May 10, 1977·8 cites·8 claims
- 0536US4091519APulling tool with adapter for use in confined spacesCATERPILLAR TRACTOR CO·Filed 1977·Granted May 30, 1978·5 cites·8 claims
- 0630US4123906AVehicle having portable power means for brake controlCATERPILLAR TRACTOR CO·Filed 1977·Granted Nov 7, 1978·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →