Inventor · disambiguated record
Ralph R. Day
Also filed as: DAY RALPH R
5 granted patents·69 citations·filing 1976–1980
81Inventor score
Files withCATERPILLAR TRACTOR CO5
Top patents by PatentIndex Score
5 records- 0173US4157082ASelf-purging fuel supply system for internal combustion enginesCATERPILLAR TRACTOR CO·Filed 1977·Granted Jun 5, 1979·16 cites·11 claims
- 0268US4474080ADifferential with variable torque meansCATERPILLAR TRACTOR CO·Filed 1978·Granted Oct 2, 1984·19 cites·6 claims
- 0354US4296917AContoured cable rollerCATERPILLAR TRACTOR CO·Filed 1980·Granted Oct 27, 1981·17 cites·14 claims
- 0453US4161865ASteering control with hydraulic follow-upCATERPILLAR TRACTOR CO·Filed 1978·Granted Jul 24, 1979·12 cites·22 claims
- 0538US3978769ABucket positioner kickout slave cylinderCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 7, 1976·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →