Inventor
WACK ERWIN
DE33 patents
⚠️ This page may combine multiple inventors who share the name “WACK ERWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANNESMANN SACHS AG
12 patentsUS6435998B1Aug 20, 2002
Drive train with rigidity dependent on rotational speed
MANNESMANN SACHS AG22 citations92
US6231472B1May 15, 2001
Torsional vibration damper in a lockup clutch with planetary gear set
MANNESMANN SACHS AG51 citations92
US6585091B2Jul 1, 2003
Torsional vibration damper
MANNESMANN SACHS AG27 citations91
US6334816B1Jan 1, 2002
Torsional vibration damper
MANNESMANN SACHS AG10 citations74
US6799665B1Oct 5, 2004
Hydrodynamic torque converter
MANNESMANN SACHS AG12 citations72
US6536575B1Mar 25, 2003
Clutch disk for a motor vehicle friction clutch
MANNESMANN SACHS AG7 citations71
US6516928B2Feb 11, 2003
Hydrodynamic coupling device
MANNESMANN SACHS AG3 citations63
US6152278ANov 28, 2000
Torsional vibration damping device
MANNESMANN SACHS AG3 citations63
US6553758B2Apr 29, 2003
Freewheel unit, especially for the stator of a hydrodynamic torque converter
MANNESMANN SACHS AG6 citations61
US6527094B2Mar 4, 2003
Freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter
MANNESMANN SACHS AG5 citations61
US6364081B1Apr 2, 2002
Hydrodynamic torque converter
MANNESMANN SACHS AG0 citations52
US6364080B1Apr 2, 2002
Arrangement for the rotationally fixed connection of a hydrodynamic coupling device to a drive component
MANNESMANN SACHS AG0 citations42
ZAHNRADFABRIK FRIEDRICHSHAFEN
9 patentsUS7651399B2Jan 26, 2010
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN10 citations84
US7648009B2Jan 19, 2010
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations84
US7267212B2Sep 11, 2007
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations83
US7143879B2Dec 5, 2006
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN19 citations83
US9777817B2Oct 3, 2017
Clutch device with a friction transmission element
ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations70
US10704621B2Jul 7, 2020
Method for transmitting and damping torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations38
US10704620B2Jul 7, 2020
Method for transmitting and dampening torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations38
US10690218B2Jun 23, 2020
Torsional vibration damping assembly for a drive train of a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations38
US10704619B2Jul 7, 2020
Method for transmitting and damping torques
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations37
FICHTEL & SACHS AG
4 patentsUS5733218AMar 31, 1998
Flywheel having two centrifugal masses and a torsional vibration damper with gear train elements which can be adjusted as a function of load
FICHTEL & SACHS AG57 citations96
US5976048ANov 2, 1999
Torsional vibration damper with a lubricant feed for a planet gear
FICHTEL & SACHS AG24 citations92
US5988343ANov 23, 1999
Clutch disc with a torsional vibration damper for a motor vehicle friction clutch
FICHTEL & SACHS AG15 citations73
US5542516AAug 6, 1996
Friction clutch for a transmission of a motor vehicle and a clutch plate for a friction clutch
FICHTEL & SACHS AG5 citations63