Inventor · Ginsheim-Gustavsburg, DE

Helmut Flohr

4Patents
3h-index
7Co-inventors
36Inventor score

Filing activity: Jun 4, 1986 → Apr 20, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4937338A Pigments Chemistry; Metallurgy 13 Expired
US4785088A Pigments and their preparation Chemistry; Metallurgy 9 Expired
US4851549A Pigments Chemistry; Metallurgy 6 Expired
US4925954A Vat dye based on flouranthene Chemistry; Metallurgy 0 Expired

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