Inventor
STEPHENSON ROGER D
US20 patents
⚠️ This page may combine multiple inventors who share the name “STEPHENSON ROGER D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEERE & CO
17 patentsUS5427192AJun 27, 1995
Sliding pedestal shaft for PTO driven implements
DEERE & CO71 citations94
US4738461AApr 19, 1988
Implement hitch adaptor and transmission assembly for allowing towing tractor to turn sharply
DEERE & CO106 citations94
US4805927AFeb 21, 1989
Hitch adapter for use in connecting semi-integral, PTO-driven implements to tractor three-point hitch
DEERE & CO42 citations92
US4590751AMay 27, 1986
Double windrowing attachment for harvester
DEERE & CO33 citations92
US5566536AOct 22, 1996
Mower-conditioner platform suspension including single upper arm and hydraulic cylinder for platform lift
DEERE & CO43 citations91
US8800254B2Aug 12, 2014
Harvesting platform having angled crop converging auger
DEERE & CO7 citations82
US4793430ADec 27, 1988
Hitch and drive structure for PTO-driven, semi-integral implement
DEERE & CO19 citations73
US4776606AOct 11, 1988
Hitch and drive structure for pto-driven, semi-integral implement
DEERE & CO11 citations73
US10618361B2Apr 14, 2020
Pin-drop hitch mount assembly with biased pin retainer mechanism
DEERE & CO2 citations72
US10618362B2Apr 14, 2020
Pin-drop hitch mount assembly with alignment features for aligning drawbar and drawbar receiver
DEERE & CO3 citations72
US10589580B2Mar 17, 2020
Pin-drop hitch mount assembly with biased pin retainer mechanism
DEERE & CO3 citations72
US10556472B2Feb 11, 2020
Pin-drop hitch mount assembly with biased pin retainer mechanism
DEERE & CO5 citations72
US10356980B2Jul 23, 2019
Work vehicle with wheel/track crop swath avoidance
DEERE & CO3 citations71
US10448570B2Oct 22, 2019
System of laying swath of cut crop for improved dry down time and method thereof
DEERE & CO3 citations66
US9485913B2Nov 8, 2016
Converging drum and stripper arrangement
DEERE & CO2 citations60
US9456548B2Oct 4, 2016
Conveyer for a material processing machine
DEERE & CO2 citations60
US10653061B2May 19, 2020
Method and apparatus for harvesting crop material
DEERE & CO0 citations39