Inventor
MANN EGON
DE26 patents
Patents
26 patentsUS5918509AJul 6, 1999
Powershift reversing transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN20 citations92
US5306215AApr 26, 1994
Drive device with gearbox
ZAHNRADFABRIK FRIEDRICHSHAFEN24 citations92
US4291779ASep 29, 1981
Wheel-mounted hydraulic drive system
ZAHNRADFABRIK FRIEDRICHSHAFEN39 citations92
US6186262B1Feb 13, 2001
Hydrostatic mechanical wheel drive
ZAHNRADFABRIK FRIEDRICHSHAFEN39 citations91
US6074083AJun 13, 2000
Hydrostatic-mechanical drive for a mixing drum
ZAHNRADFABRIK FRIEDRICHSHAFEN24 citations91
US5746509AMay 5, 1998
Hydrostatic-mechanical gear for driving a mixing drum
ZAHNRADFABRIK FRIEDRICHSHAFEN27 citations91
US5151068ASep 29, 1992
Driving mechanism with two speed clutch
ZAHNRADFABRIK FRIEDRICHSHAFEN40 citations91
US4275616AJun 30, 1981
Hydraulic wheel drive
ZAHNRADFABRIK FRIEDRICHSHAFEN38 citations91
US4213514AJul 22, 1980
Hydraulic wheel drive with clutch
ZAHNRADFABRIK FRIEDRICHSHAFEN39 citations91
US3944010AMar 16, 1976
Traction-wheel mounting with attached drive motor
ZAHNRADFABRIK FRIEDRICHSHAFEN37 citations91
US4583425AApr 22, 1986
Compact hydraulic drive mechanism for wheel assemblies
ZAHNRADFABRIK FRIEDRICHSHAFEN32 citations86
US4667536AMay 26, 1987
Hydrostatic/mechanical transmission system
ZAHNRADFABRIK FRIEDRICHSHAFEN21 citations82
US4581949AApr 15, 1986
Hydrostatic/mechanical transmission system
ZAHNRADFABRIK FRIEDRICHSHAFEN22 citations82
US4006946AFeb 8, 1977
Swing mounting for cement mixer and the like
ZAHNRADFABRIK FRIEDRICHSHAFEN25 citations82
US5779588AJul 14, 1998
Drive for lifting equipment
ZAHNRADFABRIK FRIEDRICHSHAFEN18 citations81
US5820506AOct 13, 1998
Wheel drive for tracked vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN16 citations74
US5167291ADec 1, 1992
Hydrostatic drive system for vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN17 citations74
US3943789AMar 16, 1976
Drive mechanism for cement mixer and the like
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations74
US5839984ANov 24, 1998
Failsafe brake system for a motor vehicle, in particular for a hydrostatic construction machine
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations73
US4329064AMay 11, 1982
Hydrostatic-mechanical drive for vehicular cement mixers
ZAHNRADFABRIK FRIEDRICHSHAFEN13 citations73
US6250180B1Jun 26, 2001
Hydromechanical traveling mechanism
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations72
US5251878AOct 12, 1993
Drive for lifting equipment
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations71
US4651526AMar 24, 1987
Hydrostatic drive specially for mixing drums of ready-mixed concrete vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations65
US4397201AAug 9, 1983
Hydrostatic-mechanical drive for self-propelled machines
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations63
US4459875AJul 17, 1984
Travelling drive for road rollers, more particularly with vibratory system
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations62
US5992145ANov 30, 1999
Method and device for preventing an interruption of tension during connection and disconnection of hydraulic motors
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations61