Inventor
BIEBER GEROLD
DE14 patents
Patents
14 patentsUS4897790AJan 30, 1990
Control arrangement for the shifting of variable change speed gears
ZAHNRADFABRIK FRIEDRICHSHAFEN28 citations92
US4440272AApr 3, 1984
Apparatus for controlling the braking effect of a hydraulic retarder
ZAHNRADFABRIK FRIEDRICHSHAFEN30 citations92
US4377951AMar 29, 1983
Gear-change mechanism for a gear-change transmission consisting of a main drive and a two-range group drive
ZAHNRADFABRIK FRIEDRICHSHAFEN37 citations92
US4753332AJun 28, 1988
Friction clutch assembly with selective lubrication during the friction phase
ZAHNRADFABRIK FRIEDRICHSHAFEN26 citations91
US4361217ANov 30, 1982
Clutch assembly for semiautomatic gear transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN44 citations90
US4633987AJan 6, 1987
Pressure-medium actuated shifting arrangement
ZAHNRADFABRIK FRIEDRICHSHAFEN24 citations80
US6357316B1Mar 19, 2002
Shifting device for pinion gear change boxes
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations73
US5928107AJul 27, 1999
Method for controlling and monitoring of a driving mode of a motor vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN11 citations73
US4542662ASep 24, 1985
Mechanical gear selector
ZAHNRADFABRIK FRIEDRICHSHAFEN16 citations73
US4354584AOct 19, 1982
Transmission-clutch operating system
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations70
US4685548AAug 11, 1987
Control system for speed synchronized clutch operation during gear shift of engine driven transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN17 citations64
US4819774AApr 11, 1989
Drive arrangement for commercial motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN4 citations62
US5921362AJul 13, 1999
Synchronizing device with spring element applying constant force to a disc set for achieving the synchronization moment
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations61
US4362017ADec 7, 1982
Hydraulic torque converter
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations57