Inventor · Plymouth, MI, US

Douglas John Dwenger

19Patents
4h-index
26Co-inventors
60Inventor score

Filing activity: May 23, 1988 → Dec 6, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US4815884A Removable seal protector and shaft insertion guide Emerging Cross-Sectional Technologies 25 Expired
US8105196B2 Automatic transmission gear and clutch arrangement Mechanical Engineering; Lighting; Heating 8 Active
US8758179B2 Electrically-variable transmission for a vehicle Emerging Cross-Sectional Technologies 5 Active
US9234551B2 Transmission and a clutch assembly for a vehicle Mechanical Engineering; Lighting; Heating 4 Active
US8262526B2 Automatic transmission gear and clutch arrangement Mechanical Engineering; Lighting; Heating 3 Active
US8991583B2 Spring pack for a transmission Mechanical Engineering; Lighting; Heating 2 Active
US8500588B2 Automatic transmission gear and clutch arrangement Mechanical Engineering; Lighting; Heating 2 Active
US9052003B2 Multi-speed transmission gear and clutch arrangement Mechanical Engineering; Lighting; Heating 2 Active
US7703346B2 Multi-speed transmission with countershaft gearing Emerging Cross-Sectional Technologies 2 Active
US8376900B2 Clutch assembly Mechanical Engineering; Lighting; Heating 2 Active
US8967353B2 Transmission with internal isolator and by-pass clutch Emerging Cross-Sectional Technologies 2 Active
US10267368B2 Spring pack assembly for a torque transmitting device Mechanical Engineering; Lighting; Heating 1 Active
US8409050B2 Gear retention assembly Mechanical Engineering; Lighting; Heating 1 Active
US9033681B2 Control valve body with integrated pump for automatic transmissions Emerging Cross-Sectional Technologies 1 Active
US8628442B2 Automatic transmission gear and clutch arrangement Mechanical Engineering; Lighting; Heating 1 Active
US9644722B2 One mode continuously variable transmission Mechanical Engineering; Lighting; Heating 0 Active
US9400042B2 Two mode continuously variable transmission Mechanical Engineering; Lighting; Heating 0 Active
US9051980B2 Direction selectable sprag Mechanical Engineering; Lighting; Heating 0 Active
US8968146B2 Multi-speed transmission Mechanical Engineering; Lighting; Heating 0 Active

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