Inventor · disambiguated record
Duane Herbert Ziegler
Also filed as: KERCKHOVE DENNIS A · ZIEGLER DUANE H · ZIEGLER DUANE HERBERT
11 granted patents·381 citations·filing 1978–2007
92Inventor score
Files withDEERE & CO11
Top patents by PatentIndex Score
11 records- 0194US4171606AAttitude control for a harvester pickupDEERE & CO·Filed 1978·Granted Oct 23, 1979·71 cites·10 claims
- 0293US7276806B1System and method for boosting torque output of a drive trainDEERE & CO·Filed 2007·Granted Oct 2, 2007·34 cites·10 claims
- 0392US4967544AAutomatic speed control system for a harvesting assemblyDEERE & CO·Filed 1989·Granted Nov 6, 1990·86 cites·13 claims
- 0491US4281388ATachometerDEERE & CO·Filed 1979·Granted Jul 28, 1981·46 cites·53 claims
- 0585US7446426B2System and method for boosting torque output of a drive trainDEERE & CO·Filed 2007·Granted Nov 4, 2008·15 cites·10 claims
- 0684US6632136B2Remote adjustment mechanism for a combine harvester cleaning elementDEERE & CO·Filed 2001·Granted Oct 14, 2003·41 cites·11 claims
- 0782US4517792AGrain loss monitor sensor mounting arrangement for a combineDEERE & CO·Filed 1982·Granted May 21, 1985·43 cites·7 claims
- 0878US7949442B2System and method for boosting torque output of a drive trainDEERE & CO·Filed 2007·Granted May 24, 2011·12 cites·16 claims
- 0978US7801653B2System and method for boosting torque output of a drive trainDEERE & CO·Filed 2007·Granted Sep 21, 2010·12 cites·20 claims
- 1058US4866920AUnloading auger position switchDEERE & CO·Filed 1989·Granted Sep 19, 1989·19 cites·15 claims
- 1124US4838010AElectronics enclosure for an agricultural combineDEERE & CO·Filed 1988·Granted Jun 13, 1989·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →