Steag A.G.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Sep 7, 1976 → Nov 15, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4342192A | Plant for producing power from solid fossil fuels, more particularly bituminous coal | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4111665A | Apparatus for the gasification under pressure of bituminous coal, especially of fine coal in a generator | Chemistry; Metallurgy | 6 | Expired |
| US4239500A | Process for the utilization of waste product tar-dust in gasification of granular fuel under pressure, especially of bituminous coal | Chemistry; Metallurgy | 3 | Expired |
| US4231761A | Flare gas limiting apparaus for coal gasification unit | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.