Josef Langhoff
9Patents
4h-index
20Co-inventors
53Inventor score
Filing activity: Jan 24, 1975 → Aug 15, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4424065A | Method for the gasification and preparation of a water-carbon slurry | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4715809A | Fluidized bed having modified surfaces in the heat extractor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5045179A | Process for the hydrogenation reprocessing of used oils | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5015457A | Process for the hydrogenation of organochlorine compounds, neutralization of the hydrochloric acid obtained and a neutralization agent for hydrochloric acid obtained from organochlorine compounds | Human Necessities | 7 | Expired |
| US4425254A | Slag removal method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4602992A | Coal hydrogenation process with integrated refining stage | Chemistry; Metallurgy | 2 | Expired |
| US4211533A | Method of hot-briquetting mixtures of coal and coke | Chemistry; Metallurgy | 1 | Expired |
| US4514191A | Slag removal apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4159905A | Method of manufacturing green hot briquettes from fine coal for use in shaft furnaces | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.