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Inventor

Mark Graf

Inventor
Wooster, OH, US

Overview

5→
Patents
1994–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F16Hprimary
F16HGearing25%
Y10TTechnical subjects covered by former us classification25%
F16DCouplings for transmitting rotation17%
F16FSprings17%
B60NSeats specially adapted for vehicles8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
8,931,608'Damper hub friction package'20158,863,922'Bearing centering plate centered on a piston'20148,607,556'Damper assembly with Coulomb dampening and rivet access'20137,934,997'Torque limiter and method for assemblying a torque limiter'20115,320,413'Vehicle seat assembly with linear actuator'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HOOVER UNIVERSAL (1)· patent assignee history
1994Based in Madison Heights, MI, US· patent location history
2011–2015Patents assigned to SCHAEFFLER TECHNOLOGIES GMBH (3)· patent assignee history
2011–2014Based in Creston, OH, US· patent location history
2013–2015Patents assigned to GRAF MARK (3)· patent assignee history
2013Patents assigned to SCHAEFFLER TECHNOLOGIES AG (1)· patent assignee history
2013–2015Based in Wooster, OH, US· patent location history
2015Patents assigned to LINDEMANN PATRICK M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRAF MARKself32013–2015
SCHAEFFLER TECHNOLOGIES GMBH32011–2015
HOOVER UNIVERSAL11994
LINDEMANN PATRICK M12015
SCHAEFFLER TECHNOLOGIES AG12013
Locations
LocationPatentsSpan
Wooster, OH, US22013–2015
Creston, OH, US22011–2014
Madison Heights, MI, US11994