Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569197 | Method for producing energy from solid, fossil and ballast rich fuels | Boris Dankow, Klaus Heyn, Hans-Joachim Pogrzeba | 1986-02-11 |
| 4475472 | Method and apparatus for operating a vortex bed furnace | Boris Dankow | 1984-10-09 |
| 4474120 | Method for at least the two-stage ignition of a fuel dust power burner and a burner system for carrying out this method | Theodor Grund, Udo Strauss, Franz Thelen | 1984-10-02 |
| 4472179 | Method of, and device for, drying flowing gases | Kayw Than, Klaus Hannes, Artur Wehrum | 1984-09-18 |
| 4445937 | Pneumatic stowing of construction material comprising calcium alpha- and beta-sulphate hemihydrates | Friedr. Bassier, Dieter Deuster | 1984-05-01 |
| 4430854 | Process and apparatus for energy recovery from solid fossil inerts containing fuels | Hans-Joachim Pogrzeba | 1984-02-14 |
| 4408723 | Method of and apparatus for the treatment of pyrite-containing mineral coal | Heinrich Sattler, Werner Sauerland | 1983-10-11 |
| 4389019 | Method of and apparatus for the dry separation of pyrite from coal | Heinrich Sattler, Werner Sauerland | 1983-06-21 |
| 4367686 | Method for operating a coal dust furnace and a furnace for carrying out the method | — | 1983-01-11 |
| 4185346 | Safety device for sail yachts | — | 1980-01-29 |
| 4182402 | Rotary regenerative air heater | — | 1980-01-08 |