Inventor · Ann Arbor, MI, US

Paul D. Stevenson

56Patents
13h-index
32Co-inventors
84Inventor score

Filing activity: Sep 3, 1974 → Oct 29, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7014589B2 Seven-speed transmission Mechanical Engineering; Lighting; Heating 69 Expired
US7021442B2 One-way torque transmitter with a friction actuating apparatus Mechanical Engineering; Lighting; Heating 62 Expired
US7766790B2 Selectable one-way clutch Emerging Cross-Sectional Technologies 49 Active
US7059995B2 Seven- or eight-speed transmission Mechanical Engineering; Lighting; Heating 34 Expired
US7052430B2 Transmission with friction launch mechanism Mechanical Engineering; Lighting; Heating 34 Expired
US7014590B2 Seven-speed transmission Mechanical Engineering; Lighting; Heating 30 Expired
US7033298B2 Family of five-speed dual-clutch transmissions having three planetary gear sets Mechanical Engineering; Lighting; Heating 29 Expired
US7189182B2 Transmission clutch control system Mechanical Engineering; Lighting; Heating 29 Expired
US6471616B2 Power transmission with friction launch torque transmitting mechanism in forward and reverse Mechanical Engineering; Lighting; Heating 29 Expired
US5482512A Electro-mechanical hybrid powertrain with self-engaging brakes for starting the engine Emerging Cross-Sectional Technologies 27 Expired
US4049093A Torque converter and lock-up clutch with a flow divider valve Mechanical Engineering; Lighting; Heating 20 Expired
US6095946A Temperature rise control for disc type friction torque transmitters Mechanical Engineering; Lighting; Heating 16 Expired
US6827664B2 Transmission Mechanical Engineering; Lighting; Heating 15 Expired
US6742642B1 Torque-transmitting torque to thrust apply mechanism having amplified thrust Mechanical Engineering; Lighting; Heating 13 Expired
US3966031A Torque converter and slipping clutch Mechanical Engineering; Lighting; Heating 13 Expired
US7263907B2 Dual clutch transmission with a torque converter Emerging Cross-Sectional Technologies 12 Expired
US6773370B2 Seven-speed planetary transmission Mechanical Engineering; Lighting; Heating 12 Expired
US4091899A Lock-up converter clutch with centrifugal control valves Mechanical Engineering; Lighting; Heating 11 Expired
US7036644B2 Torque-transmitting mechanism with latching apparatus Mechanical Engineering; Lighting; Heating 10 Expired
US7249663B2 Wet clutch friction plate and method Mechanical Engineering; Lighting; Heating 9 Expired
US7308977B2 Clutch assembly and method of reversing cooling fluid flow Mechanical Engineering; Lighting; Heating 9 Expired
US7036645B2 Rotating torque-transmitting apparatus Mechanical Engineering; Lighting; Heating 8 Expired
US7220206B2 Hydrostatically applied clutch system with multiplex master cylinders Mechanical Engineering; Lighting; Heating 8 Expired
US5197355A Power transmission and control Mechanical Engineering; Lighting; Heating 7 Expired
US7059579B2 Latching valve for a torque-transmitting mechanism in a transmission Mechanical Engineering; Lighting; Heating 7 Expired

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