Inventor
Erwin Wack
Inventor
Niederwerrn, DE
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing44%
F16FSprings34%
F16DCouplings for transmitting rotation18%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,704,620Method for transmitting and dampening torques202010,704,619Method for transmitting and damping torques202010,704,621Method for transmitting and damping torques202010,690,218Torsional vibration damping assembly for a drive train of a vehicle20209,777,817'Clutch device with a friction transmission element'20179,371,877'Spring and system'20169,151,375'Hydrodynamic coupling arrangement, particularly hydrodynamic torque converter'20158,960,396'Torsional vibration damping arrangement, particularly for the power train of a vehicle'20158,465,371'Torsional vibration damper assembly for a hydrodynamic coupling device'20138,313,385'Torsional vibration damper arrangement'20127,651,399'Torsional vibration damper'20107,648,009'Torsional vibration damper'20107,267,212'Torsional vibration damper'20077,143,879'Torsional vibration damper'20067,073,646'Torsional vibration damper'20066,799,665'Hydrodynamic torque converter'20046,695,109'Torsional vibration damper for a hydrodynamic torque converter'20046,634,474'Hydrodynamic torque converter'20036,585,091'Torsional vibration damper'20036,553,758'Freewheel unit, especially for the stator of a hydrodynamic torque converter'20036,536,575'Clutch disk for a motor vehicle friction clutch'20036,527,094'Freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter'20036,516,928'Hydrodynamic coupling device'20036,435,998'Drive train with rigidity dependent on rotational speed'20026,364,081'Hydrodynamic torque converter'20026,364,080'Arrangement for the rotationally fixed connection of a hydrodynamic coupling device to a drive component'20026,334,816'Torsional vibration damper'20026,231,472'Torsional vibration damper in a lockup clutch with planetary gear set'20016,152,278'Torsional vibration damping device'20005,988,343'Clutch disc with a torsional vibration damper for a motor vehicle friction clutch'19995,976,048'Torsional vibration damper with a lubricant feed for a planet gear'19995,733,218'Flywheel having two centrifugal masses and a torsional vibration damper with gear train elements which can be adjusted as a function of load'19985,542,516'Friction clutch for a transmission of a motor vehicle and a clutch plate for a friction clutch'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1999Patents assigned to FICHTEL & SACHS AG (4)· patent assignee history
1996–2020Based in Niederwerrn, DE· patent location history
1998Based in Oberwerrn, DE· patent location history
2000–2004Patents assigned to MANNESMANN SACHS AG (12)· patent assignee history
2006–2020Patents assigned to ZAHNRADFABRIK FRIEDRICHSHAFEN (14)· patent assignee history
2012–2016Patents assigned to WACK ERWIN (5)· patent assignee history
2015Patents assigned to FELDHAUS REINHARD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZAHNRADFABRIK FRIEDRICHSHAFEN | 14 | 2006–2020 |
| MANNESMANN SACHS AG | 12 | 2000–2004 |
| WACK ERWINself | 5 | 2012–2016 |
| FICHTEL & SACHS AG | 4 | 1996–1999 |
| FELDHAUS REINHARD | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niederwerrn, DE | 32 | 1996–2020 |
| Oberwerrn, DE | 1 | 1998 |