Inventor · Waltrop, DE

Claus Bertram

3Patents
3h-index
2Co-inventors
33Inventor score

Filing activity: Dec 16, 1976 → Oct 19, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4284280A Sealing for machine elements which move back and forth Emerging Cross-Sectional Technologies 26 Expired
US4126155A Valve piston for hydraulic control valve Emerging Cross-Sectional Technologies 9 Expired
US4252147A Rotary connection for passage of hydraulic oil Emerging Cross-Sectional Technologies 5 Expired

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