Inventor · Rochester, MI, US

Theodor Gassmann

61Patents
12h-index
43Co-inventors
84Inventor score

Filing activity: May 19, 1994 → Jul 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6533090B2 Integrated axle module with twin electronic torque management Mechanical Engineering; Lighting; Heating 60 Expired
US5632185A Axle drive for distributing torque Emerging Cross-Sectional Technologies 48 Expired
US6394246B1 Twin-coupling with improved braking stability and less torsion Emerging Cross-Sectional Technologies 32 Expired
US5690201A Method and device for controlling a coupling Mechanical Engineering; Lighting; Heating 31 Expired
US6851501B2 Full time all wheel drive system Performing Operations; Transporting 20 Expired
US7338404B2 Drive assembly for variable torque distribution Mechanical Engineering; Lighting; Heating 20 Expired
US6318532A Externally controlled hydraulic torque transfer device Mechanical Engineering; Lighting; Heating 20 Expired
US5526912A Method of and device for controlling a coupling Mechanical Engineering; Lighting; Heating 19 Expired
US6209673A All wheel drive system for a motor vehicle Mechanical Engineering; Lighting; Heating 15 Expired
US5706923A Method of and device for controlling a coupling Mechanical Engineering; Lighting; Heating 13 Expired
US9039559B2 Electric drive for a motor vehicle Mechanical Engineering; Lighting; Heating 12 Active
US6571928B1 Engagement mechanism with two stage ramp angle Mechanical Engineering; Lighting; Heating 12 Expired
US7442143B2 Drive module for a variable torque distribution Mechanical Engineering; Lighting; Heating 12 Expired
US5935036A Method and device for controlling a coupling Mechanical Engineering; Lighting; Heating 12 Expired
US8992366B2 Electric drive for a motor vehicle Performing Operations; Transporting 11 Active
US5556343A Method and device for controlling a coupling Mechanical Engineering; Lighting; Heating 11 Expired
US6592488B2 Integrated viscous transmission in a differential Mechanical Engineering; Lighting; Heating 10 Expired
US9951850B2 Drive assembly for an electric drive Emerging Cross-Sectional Technologies 10 Active
US9643490B2 Drive assembly with electric machine and motor vehicle having such a drive assembly Emerging Cross-Sectional Technologies 10 Active
US6116392A Coupling device for transmitting torque Mechanical Engineering; Lighting; Heating 9 Expired
US6286391A Torque-sensing locking differential with reduced parts Emerging Cross-Sectional Technologies 9 Expired
US8840506B2 Parking lock for a motor vehicle and method of operating a parking lock Emerging Cross-Sectional Technologies 8 Active
US7156766B2 Differential assembly for controlling the distribution of torque Mechanical Engineering; Lighting; Heating 8 Expired
US7806797B2 Ball ramp assembly with variable pitch of the ball grooves Mechanical Engineering; Lighting; Heating 7 Active
US6299538A Differential-speed-controlled transmitting coupling Mechanical Engineering; Lighting; Heating 7 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.