Erwin Walter
3Patents
3h-index
8Co-inventors
39Inventor score
Filing activity: Dec 30, 1977 → Mar 28, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4603119A | Process for production of activated carbon from lignite coke | Chemistry; Metallurgy | 17 | Expired |
| US4379871A | Process for the production of carbon black containing pigment-synthetic resin concentrates | Chemistry; Metallurgy | 10 | Expired |
| US4642304A | Activated carbon and process for its production | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.