Hans Kellerwessel
7Patents
6h-index
12Co-inventors
56Inventor score
Filing activity: Dec 1, 1975 → Oct 27, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4703897A | Method and apparatus for continuous pressure comminution of brittle grinding stock | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4753660A | Method for the production of a coal suspension | Chemistry; Metallurgy | 13 | Expired |
| US4960461A | Method and installation for extracting gold from gold ore | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4119303A | Method and device for precipitating copper cement from a copper solution mixed with iron | Chemistry; Metallurgy | 7 | Expired |
| US4242129A | Method of recovering metals | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4592512A | Method and apparatus for the common grinding of two or more brittle materials having different grinding properties | Performing Operations; Transporting | 6 | Expired |
| US4119699A | Method for wet metallurgical processes | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.