Inventor
JOHANNSEN DONALD O
8 patents
⚠️ This page may combine multiple inventors who share the name “JOHANNSEN DONALD O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEERE & CO
7 patentsUS4947974AAug 14, 1990
Fast fill hydraulic clutch
DEERE & CO36 citations90
US9228875B2Jan 5, 2016
Liquid level detection system for a driveline component
DEERE & CO8 citations79
US4211079AJul 8, 1980
Positive neutral control for hydrostatic transmission
DEERE & CO10 citations70
US4229144AOct 21, 1980
Feedback shaft extending between swashplate and displacement control valve
DEERE & CO5 citations61
US4139066AFeb 13, 1979
Hydraulic tilt and pitch control for dozer blade
DEERE & CO5 citations53
US9835186B2Dec 5, 2017
Hydraulic flushing system and method
DEERE & CO1 citations45
US9988793B2Jun 5, 2018
Actuator rod scraper assembly
DEERE & CO1 citations41