Inventor
STEFFEN RONALD W
US15 patents
⚠️ This page may combine multiple inventors who share the name “STEFFEN RONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DICKEY JOHN CORP
13 patentsUS4052003AOct 4, 1977
Liquid spreader control system
DICKEY JOHN CORP142 citations95
US5884205AMar 16, 1999
Boom configuration monitoring and control system for mobile material distribution apparatus
DICKEY JOHN CORP85 citations93
US5249658AOct 5, 1993
Transmission controller
DICKEY JOHN CORP25 citations92
US5082097AJan 21, 1992
Transmission controller
DICKEY JOHN CORP36 citations92
US4068223AJan 10, 1978
Monitor system for agricultural harvesting apparatus
DICKEY JOHN CORP34 citations92
US5475561ADec 12, 1995
Solenoid circuit
DICKEY JOHN CORP14 citations73
US9320192B2Apr 26, 2016
Synchronization of a twin row planting system
DICKEY JOHN CORP6 citations69
US5819512AOct 13, 1998
Apparatus and method for sensing material build-up
DICKEY JOHN CORP12 citations68
US5165307ANov 24, 1992
Transmission controller
DICKEY JOHN CORP4 citations62
US4087783AMay 2, 1978
Wheel interference monitor
DICKEY JOHN CORP5 citations62
US5770865AJun 23, 1998
Apparatus and method for sensing a full level condition for a large basket receptacle or the like
DICKEY JOHN CORP6 citations54
US10412880B2Sep 17, 2019
Seed sensor with lightpipe photodetect assembly
DICKEY JOHN CORP0 citations47
US9913425B2Mar 13, 2018
Seed sensor with lightpipe photodetect assembly
DICKEY JOHN CORP1 citations47