Inventor · disambiguated record
Dennis L. Jeffries
Also filed as: JEFFRIES DENNIS L · JEFFRIES DENNIS LEE
17 granted patents·384 citations·filing 1978–2018
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US10119598B2Multi-mode infinitely variable transmissionDEERE & CO·Filed 2016·Granted Nov 6, 2018·21 cites·20 claims
- 0297US9562592B2Method for controlling gear shiftDEERE & CO·Filed 2015·Granted Feb 7, 2017·46 cites·4 claims
- 0396US9206885B2Multi-mode infinitely variable transmissionDEERE & CO·Filed 2013·Granted Dec 8, 2015·35 cites·20 claims
- 0493US10670124B2Multi-mode infinitely variable transmissionDEERE & CO·Filed 2018·Granted Jun 2, 2020·12 cites·20 claims
- 0593US10655710B2Multi-mode infinitely variable transmission that provides seamless shiftingDEERE & CO·Filed 2017·Granted May 19, 2020·7 cites·16 claims
- 0691US9981665B2Energy storage and delivery for power trains of work vehiclesDEERE & CO·Filed 2014·Granted May 29, 2018·22 cites·13 claims
- 0785US5224577ACalibration method for transmission control clutchesDEERE & CO·Filed 1992·Granted Jul 6, 1993·68 cites·12 claims
- 0882US5449329AMethod for controlling transmission control clutchesDEERE & CO·Filed 1993·Granted Sep 12, 1995·34 cites·9 claims
- 0981US6470991B1Tractor with front suspensionDEERE & CO·Filed 2000·Granted Oct 29, 2002·34 cites·14 claims
- 1080US5026334ASingle piston activation of a planetary transmissionDEERE & CO·Filed 1989·Granted Jun 25, 1991·30 cites·12 claims
- 1172US6722994B2Suspended drive axle and agricultural tractor with sameDEERE & CO·Filed 2001·Granted Apr 20, 2004·17 cites·4 claims
- 1271US4177723ACompactor device for large round balesUNIV IOWA STATE RES FOUND INC·Filed 1978·Granted Dec 11, 1979·20 cites·4 claims
- 1367US8347618B2Dual pump hydraulic systemDEERE & CO·Filed 2009·Granted Jan 8, 2013·5 cites·17 claims
- 1462US10408310B2Gearbox control methodDEERE & CO·Filed 2015·Granted Sep 10, 2019·1 cites·6 claims
- 1558US6915873B2Suspended drive axle and agricultural tractor with sameDEERE & CO·Filed 2003·Granted Jul 12, 2005·10 cites·29 claims
- 1651US6779623B2Suspended drive axle and agricultural tractor with sameDEERE & CO·Filed 2003·Granted Aug 24, 2004·8 cites·4 claims
- 1751US5011465AWide speed-range multi-speed power shift transmissionDEERE & CO·Filed 1990·Granted Apr 30, 1991·14 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →