Helmut Duill
5Patents
3h-index
5Co-inventors
42Inventor score
Filing activity: Oct 10, 1978 → Oct 29, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4728044A | Apparatus for the comminution and grinding of brittle grinding stock, particularly of damp initial material | Performing Operations; Transporting | 24 | Expired |
| US4236886A | Method and apparatus for the production of coaldust | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4270466A | Method and apparatus for rendering an ignitable fuel-oxygen mixture inert | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4272710A | Method and apparatus for the adjustment of a definite position of rest of a rotary tube | Performing Operations; Transporting | 3 | Expired |
| US4280283A | Method and device for the operation of a hot gas generator within a dryer | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.