Inventor · Heidenheim, DE

Erich Polzer

4Patents
3h-index
5Co-inventors
39Inventor score

Filing activity: Aug 19, 1976 → May 7, 1984

Most-cited inventions

PatentTitleAreaCited byStatus
US4099426A Hydrodynamic transmission for vehicles Emerging Cross-Sectional Technologies 6 Expired
US4391096A Hydrodynamic reversing transmission Emerging Cross-Sectional Technologies 6 Expired
US4184330A Hydrodynamic reversing transmission Emerging Cross-Sectional Technologies 4 Expired
US4463556A Hydrodynamic starting torque converter Mechanical Engineering; Lighting; Heating 2 Expired

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