Dirk Hankel
4Patents
3h-index
10Co-inventors
47Inventor score
Filing activity: Jan 13, 1984 → Feb 10, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4969775A | Process of dressing contaminated soils | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4747356A | Process of burning cattle dung | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5456881A | Process for thermally separating organic and/or inorganic substances from contaminated material | Performing Operations; Transporting | 8 | Expired |
| US4525207A | Process of producing briquettes to be charged to zinc-producing shaft furnaces | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.