Inventor · Hofheim, DE

Werner Schaefer

8Patents
6h-index
17Co-inventors
56Inventor score

Filing activity: Jan 8, 1986 → Apr 25, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4902138A Measuring component concentration in a gas blend Physics 35 Expired
US4801640A Polyester film having improved abrasion resistance manufactured from particle-filled polyester having nucleating agent dispersed therein Chemistry; Metallurgy 27 Expired
US5032458A Polyester film Emerging Cross-Sectional Technologies 11 Expired
US4751139A Biaxially oriented film having high scratch and abrasion resistance Emerging Cross-Sectional Technologies 9 Expired
US4921670A Process for producing polyester film containing a slip agent Chemistry; Metallurgy 9 Expired
US4746703A Oriented plastic film having specific surface topography Emerging Cross-Sectional Technologies 7 Expired
US4682031A Infrared gas analyzer Physics 6 Expired
US5880193A Dispersants for pigment concentrates Chemistry; Metallurgy 3 Expired

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