Carl Hafke
14Patents
7h-index
16Co-inventors
55Inventor score
Filing activity: Jun 4, 1976 → Sep 20, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4347064A | Process of gasifying fine-grained solid fuels | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4033730A | Process and apparatus for feeding particulate solids into a pressure reactor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4047901A | Feeder for coal-gasification reactor | Chemistry; Metallurgy | 13 | Expired |
| US4082520A | Process of producing gases having a high calorific value | Chemistry; Metallurgy | 12 | Expired |
| US4088455A | Process and apparatus for a pressure gasification of fuels mainly in lump form | Chemistry; Metallurgy | 8 | Expired |
| US4608059A | Method of operating a reactor for gasifying solid fuels | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4599092A | Process for the gasification of carbonaceous agglomerates in a fixed bed reactor | Chemistry; Metallurgy | 7 | Expired |
| US4087258A | Process for purifying raw gas from the gasification of solid fuels | Chemistry; Metallurgy | 6 | Expired |
| US4211539A | Producing pure gas of high calorific value from gasification of solid fuel | Chemistry; Metallurgy | 5 | Expired |
| US4056483A | Process for producing synthesis gases | Chemistry; Metallurgy | 4 | Expired |
| US4040800A | Reactor for gasifying solid fuels, particularly coal, under superatmospheric pressure | Chemistry; Metallurgy | 3 | Expired |
| US4187080A | Treating condensate from gasification of coal | Chemistry; Metallurgy | 2 | Expired |
| US4089659A | Process for producing a lean gas by the gasification of a fuel mainly in lump form | Chemistry; Metallurgy | 1 | Expired |
| US4071332A | Process of gasifying solid fuels, particularly coal | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.