Inventor
GROSSPIETSCH WOLFGANG
DE49 patents
⚠️ This page may combine multiple inventors who share the name “GROSSPIETSCH WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FICHTEL & SACHS AG
15 patentsUS6116399ASep 12, 2000
Friction clutch for a motor vehicle and an operation device for the operation, especially pneumatic operation, of a friction clutch
FICHTEL & SACHS AG50 citations92
US5287951AFeb 22, 1994
Hydraulically actuable releaser for a motor vehicle friction clutch
FICHTEL & SACHS AG43 citations92
US5211099AMay 18, 1993
Slave cylinder for a hydraulic actuating system of a motor vehicle friction clutch
FICHTEL & SACHS AG22 citations92
US4782718ANov 8, 1988
Fly-wheel unit for an internal-combustion engine
FICHTEL & SACHS AG29 citations90
US4332679AJun 1, 1982
Device for indicating the degree of exhaustion of an adsorption filter
FICHTEL & SACHS AG37 citations89
US5937988AAug 17, 1999
Throttle device for hydraulic actuator systems and for hydraulic actuator systems of clutches of motor vehicles
FICHTEL & SACHS AG18 citations84
US5960922AOct 5, 1999
Hydraulic cylinder such as a clutch master or servant cylinder in a motor vehicle having a bleed element
FICHTEL & SACHS AG17 citations83
US5806646ASep 15, 1998
Friction clutch with mechanically-operated concentric disengagement device
FICHTEL & SACHS AG19 citations83
US5964333AOct 12, 1999
Friction clutch and a slave cylinder for the operation of a friction clutch
FICHTEL & SACHS AG10 citations73
US5779019AJul 14, 1998
Hydraulically operated clutch assembly for a motor vehicle having a cylinder with a plug-in connection
FICHTEL & SACHS AG12 citations73
US5307915AMay 3, 1994
Fluid-actuable releaser for a friction clutch
FICHTEL & SACHS AG19 citations73
US5062513ANov 5, 1991
Hub guidance for friction clutch
FICHTEL & SACHS AG10 citations73
US4809830AMar 7, 1989
Torque transmitting torsional vibration damper device
FICHTEL & SACHS AG18 citations73
US5860502AJan 19, 1999
Hydraulically operated clutch assembly for a motor vehicle having a detachable plug-type connector
FICHTEL & SACHS AG15 citations72
US5704462AJan 6, 1998
Cylinder for hydraulically operated clutches and brakes and hydraulically operated clutch assemblies for motor vehicles
FICHTEL & SACHS AG6 citations60
MANNESMANN SACHS AG
13 patentsUS6454314B1Sep 24, 2002
Seal for a plug-in connection
MANNESMANN SACHS AG76 citations94
US6575471B1Jun 10, 2003
Cylinder for a hydraulic system
MANNESMANN SACHS AG27 citations90
US6294854B1Sep 25, 2001
Drive arrangement for a motor vehicle
MANNESMANN SACHS AG28 citations86
US6343541B1Feb 5, 2002
Damping device for hydraulic adjustment devices in motor vehicles
MANNESMANN SACHS AG10 citations74
US5996468ADec 7, 1999
Piston-cylinder unit
MANNESMANN SACHS AG7 citations74
US6584869B2Jul 1, 2003
Ball screw
MANNESMANN SACHS AG8 citations73
US6250201B1Jun 26, 2001
Throttle device for hydraulic adjustment devices in motor vehicles
MANNESMANN SACHS AG13 citations72
US6029979AFeb 29, 2000
Sealing arrangement
MANNESMANN SACHS AG13 citations72
US5979632ANov 9, 1999
Disengagement mechanism for clutch actuation in motor vehicles
MANNESMANN SACHS AG8 citations72
US6644451B2Nov 11, 2003
Release mechanism for a double clutch assembly
MANNESMANN SACHS AG6 citations63
US6702084B2Mar 9, 2004
Clutch operator arrangement
MANNESMANN SACHS AG4 citations62
US6123181ASep 26, 2000
Articulation head for a clutch-release rocker arm of a friction clutch
MANNESMANN SACHS AG6 citations56
US6041692AMar 28, 2000
Operation of pressure medium cylinders in motor vehicles
MANNESMANN SACHS AG0 citations52
ZAHNRADFABRIK FRIEDRICHSHAFEN
12 patentsUS7484607B2Feb 3, 2009
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN18 citations81
US11807099B2Nov 7, 2023
Rotor support for an electrical machine
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations72
US11752855B2Sep 12, 2023
Bearing unit for a hybrid module
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations72
US11621596B2Apr 4, 2023
Rotor carrier for an electrical machine
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations72
US10995818B2May 4, 2021
Torque-transmission device
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations71
US11962226B2Apr 16, 2024
Rotor support for an electrical machine
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations62
US12344097B2Jul 1, 2025
Hybrid drive module for a motor vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations51
US10097063B2Oct 9, 2018
Assembly with an electric machine
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations50
US10704620B2Jul 7, 2020
Method for transmitting and dampening torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations38
US10704621B2Jul 7, 2020
Method for transmitting and damping torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations38
US10704619B2Jul 7, 2020
Method for transmitting and damping torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations37
US10738839B2Aug 11, 2020
Clutch assembly configured to prevent unwanted jolt during engagement
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations36
ZF SACHS AG
4 patentsUS6789658B2Sep 14, 2004
Clutch system
ZF SACHS AG70 citations95
US7114605B2Oct 3, 2006
Double or multiple disk coupling device and disk arrangement therefor
ZF SACHS AG24 citations92
US7147095B2Dec 12, 2006
Gearshift transmission for a motor vehicle with hydraulically actuated multiple clutch
ZF SACHS AG23 citations90
US7021422B2Apr 4, 2006
Clutch system
ZF SACHS AG14 citations83