Inventor · Echterdingen, DE

Gerhard Armbruster

5Patents
4h-index
8Co-inventors
42Inventor score

Filing activity: Oct 23, 1978 → Sep 14, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4545121A Hand-held power tool with circular-disk-shaped tool Emerging Cross-Sectional Technologies 56 Expired
US4242839A High-speed power tool Performing Operations; Transporting 18 Expired
US4360048A Power driven, hand operated plane Performing Operations; Transporting 12 Expired
US4506711A Cutting roller Performing Operations; Transporting 6 Expired
US4382458A Planing tool Performing Operations; Transporting 2 Expired

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