Inventor · Warren, MI, US

Robert O. Koch

3Patents
3h-index
4Co-inventors
43Inventor score

Filing activity: Dec 26, 1978 → May 30, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5121769A Solenoid operated pressure regulating valve Emerging Cross-Sectional Technologies 51 Expired
US4917150A Solenoid operated pressure control valve Emerging Cross-Sectional Technologies 46 Expired
US4274376A Governor apparatus and system Mechanical Engineering; Lighting; Heating 9 Expired

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