Inventor
EHRLINGER FRIEDRICH
22 patents
Patents
22 patentsUS4884669ADec 5, 1989
Motor-vehicle antirunaway system
ZAHNRADFABRIK FRIEDRICHSHAFEN25 citations92
US4368798AJan 18, 1983
Automatic control device of an infinitely variable transmission gear driven by an internal combustion engine, especially for motorized vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN33 citations92
US4291592ASep 29, 1981
Load splitting hydromechanical transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN44 citations92
US4200006AApr 29, 1980
Gear-change transmission with differential
ZAHNRADFABRIK FRIEDRICHSHAFEN43 citations92
US4275616AJun 30, 1981
Hydraulic wheel drive
ZAHNRADFABRIK FRIEDRICHSHAFEN38 citations91
US4213514AJul 22, 1980
Hydraulic wheel drive with clutch
ZAHNRADFABRIK FRIEDRICHSHAFEN39 citations91
US4046031ASep 6, 1977
Planetary-gear transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN84 citations91
US4775026AOct 4, 1988
Actuation of a differential lock
ZAHNRADFABRIK FRIEDRICHSHAFEN37 citations89
US4286477ASep 1, 1981
Steplessly adjustable variable-speed hydrostatic-mechanical composite transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN54 citations89
US4667536AMay 26, 1987
Hydrostatic/mechanical transmission system
ZAHNRADFABRIK FRIEDRICHSHAFEN21 citations82
US4526054AJul 2, 1985
Gear transmission with splash lubrication
ZAHNRADFABRIK FRIEDRICHSHAFEN22 citations82
US4428257AJan 31, 1984
Motor vehicle control for an infinitely variable transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN22 citations82
US4304151ADec 8, 1981
Stepless composite hydrostatic-mechanical transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN27 citations81
US4667527AMay 26, 1987
Spring-loaded brake with pressure-medium-operable lifting set
ZAHNRADFABRIK FRIEDRICHSHAFEN24 citations77
US4373359AFeb 15, 1983
Hydrostatic-mechanical gear unit
ZAHNRADFABRIK FRIEDRICHSHAFEN15 citations74
US4482025ANov 13, 1984
Steered and driven axle-end assembly
ZAHNRADFABRIK FRIEDRICHSHAFEN13 citations73
US4418785ADec 6, 1983
Steered and driven axle-end assembly
ZAHNRADFABRIK FRIEDRICHSHAFEN11 citations73
US4671377AJun 9, 1987
All-wheel drive for a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN19 citations72
US5251443AOct 12, 1993
Pressure-control device
ZAHNRADFABRIK FRIEDRICHSHAFEN10 citations70
US4616520AOct 14, 1986
Arrangement of a brake in a wheel head equipped with reducing gear
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations65
US4410073AOct 18, 1983
Axle drive mechanism
ZAHNRADFABRIK FRIEDRICHSHAFEN4 citations63
US4718509AJan 12, 1988
Multi-axle vehicle with single wheel drives
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations61