Fritz Ehrhard
3Patents
3h-index
4Co-inventors
43Inventor score
Filing activity: Jul 22, 1974 → Feb 26, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3941855A | Shaped polyurethane articles and a method for making them | Electricity | 9 | Expired |
| US4163095A | Process for the solvent-free production of solid plastic moldings sealing compounds and insulations using a polyisocyanate mixture containing 2,4'-diisocyanatodiphenylmethane | Chemistry; Metallurgy | 6 | Expired |
| US4720519A | Process for the production of non-foamed moldings | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.