Inventor
JEFFRIES DENNIS L
US13 patents
⚠️ This page may combine multiple inventors who share the name “JEFFRIES DENNIS L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEERE & CO
12 patentsUS9562592B2Feb 7, 2017
Method for controlling gear shift
DEERE & CO46 citations97
US10119598B2Nov 6, 2018
Multi-mode infinitely variable transmission
DEERE & CO21 citations94
US9206885B2Dec 8, 2015
Multi-mode infinitely variable transmission
DEERE & CO35 citations94
US5224577AJul 6, 1993
Calibration method for transmission control clutches
DEERE & CO68 citations94
US9981665B2May 29, 2018
Energy storage and delivery for power trains of work vehicles
DEERE & CO22 citations93
US5026334AJun 25, 1991
Single piston activation of a planetary transmission
DEERE & CO30 citations92
US5449329ASep 12, 1995
Method for controlling transmission control clutches
DEERE & CO34 citations90
US10670124B2Jun 2, 2020
Multi-mode infinitely variable transmission
DEERE & CO12 citations85
US10655710B2May 19, 2020
Multi-mode infinitely variable transmission that provides seamless shifting
DEERE & CO7 citations84
US5011465AApr 30, 1991
Wide speed-range multi-speed power shift transmission
DEERE & CO14 citations71
US8347618B2Jan 8, 2013
Dual pump hydraulic system
DEERE & CO5 citations68
US10408310B2Sep 10, 2019
Gearbox control method
DEERE & CO1 citations62