Inventor · disambiguated record
Ralph E. Shirley
Also filed as: SHIRLEY RALPH E · SHIRLEY RALPH EDWIN
6 granted patents·85 citations·filing 1981–2001
84Inventor score
Files withDEERE & CO6
Top patents by PatentIndex Score
6 records- 0169US4642770AVehicle accessory control systemDEERE & CO·Filed 1985·Granted Feb 10, 1987·26 cites·17 claims
- 0267US6533528B2Support frame for front attached implements of an operating machine and associated locating pinsDEERE & CO·Filed 2001·Granted Mar 18, 2003·14 cites·3 claims
- 0354US5178039AModular transmissionDEERE & CO·Filed 1992·Granted Jan 12, 1993·18 cites·15 claims
- 0447US6424054B1Vehicle steering mode selection controlDEERE & CO·Filed 2000·Granted Jul 23, 2002·9 cites·13 claims
- 0547US4860614ATransmission differentialDEERE & CO·Filed 1988·Granted Aug 29, 1989·13 cites·7 claims
- 0638US4396099AControl system for a clutchDEERE & CO·Filed 1981·Granted Aug 2, 1983·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →