Inventor · Hamburg, DE

Karl Schmidt

7Patents
4h-index
7Co-inventors
50Inventor score

Filing activity: Jan 21, 1972 → Feb 4, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5379965A Plastic reel for material winding Performing Operations; Transporting 20 Expired
US4145351A Diimidodicarboxylic acids Chemistry; Metallurgy 5 Expired
US4145334A Polyester imide resins Electricity 5 Expired
US4170684A Conductors having insulation of polyester imide resin Emerging Cross-Sectional Technologies 5 Expired
US4267232A Conductors having insulation of polyester imide resin Emerging Cross-Sectional Technologies 3 Expired
US3950452A Polyurethane high-voltage insulator appliance Emerging Cross-Sectional Technologies 3 Expired
US4146703A Unsaturated homopolymerizable and/or copolymerizable polyester resins Chemistry; Metallurgy 1 Expired

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