Inventor · disambiguated record
Michael F. Coffman
Also filed as: COFFMAN MICHAEL F
5 granted patents·194 citations·filing 1990–2003
83Inventor score
Files withCATERPILLAR INC5
Top patents by PatentIndex Score
5 records- 0193US5040648AElectrohydraulic control device for a drive train of a vehicleCATERPILLAR INC·Filed 1990·Granted Aug 20, 1991·71 cites·42 claims
- 0282US5456333AElectrohydraulic control device for a drive train of a vehicleCATERPILLAR INC·Filed 1993·Granted Oct 10, 1995·70 cites·17 claims
- 0373US5371460ASpeed and direction sensor for a rotating shaft having a rotor with teeth of alternating widthsCATERPILLAR INC·Filed 1992·Granted Dec 6, 1994·35 cites·5 claims
- 0441US5380257AElectrohydraulic control device for a drive train of a vehicleCATERPILLAR INC·Filed 1993·Granted Jan 10, 1995·16 cites·1 claims
- 0533US6975930B2Rate limiting control systemCATERPILLAR INC·Filed 2003·Granted Dec 13, 2005·2 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →