Inventor · disambiguated record
Charles P. Heisig
Also filed as: HEISIG CHARLES · HEISIG CHARLES P
6 granted patents·247 citations·filing 1975–2001
85Inventor score
Top patents by PatentIndex Score
6 records- 0197US5359836AAgricultural harvester with closed loop header controlCONTROL CONCEPTS·Filed 1993·Granted Nov 1, 1994·158 cites·12 claims
- 0285US5351601AHydraulic control systemCONTROL CONCEPTS·Filed 1992·Granted Oct 4, 1994·37 cites·6 claims
- 0379US4023646ALoad sensitive hydraulic systemALLIS CHALMERS·Filed 1975·Granted May 17, 1977·28 cites·10 claims
- 0459US4016949AHydrostatic load sensitive regenerative steering systemALLIS CHALMERS·Filed 1975·Granted Apr 12, 1977·15 cites·10 claims
- 0541US6606858B2Neutral override for servo controlled hydrostatic unitsSAUER DANFOSS INC·Filed 2001·Granted Aug 19, 2003·2 cites·10 claims
- 0639US4120374ASafety start switch and power takeoff control valve arrangementALLIS CHALMERS·Filed 1977·Granted Oct 17, 1978·7 cites·10 claims
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