Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752303 | Process for producing synthesis gas by partial oxidation of coal-water suspensions | Winfried Materne, Bernard Schleper, Josef Hibbel, Volkmar Schmidt, Bernhard Lieder +1 more | 1988-06-21 |
| 4699773 | Process and apparatus for the preparation of ammonium nitrate | Klaus Ulrichs, Joseph Hibbel, Volkmar Schmidt, Bernhard Lieder, Burchard Schulze-Frenking +2 more | 1987-10-13 |
| 4541840 | Process and device for the discharge of ash-containing fuel residues | Josef Hibbel, Ulrich Gerhardus, Volkmar Schmidt, Bernhard Lieder, Erwin Zerres | 1985-09-17 |
| 4437864 | Plant with a reactor container, particularly for the gasification of fossil fuels | Rainer Gorris, Josef Hibbel, Ulrich Gerhardus | 1984-03-20 |
| 4425139 | Apparatus for sluicing residues from the pressure system of a pressure gasification tank | Volkmar Schmidt, Bernhard Lieder, Hans Dohren | 1984-01-10 |
| 4381924 | Process for sluicing residues from the pressure system of a pressure gasification tank | Volkmar Schmidt, Bernhard Lieder, Hans Dohren | 1983-05-03 |
| 4372253 | Radiation boiler | Josef Hibbel, Bernard Schleper | 1983-02-08 |
| 4310333 | Process and plant for the gasification of solid fuels via partial oxidation | Volkmar Schmidt, Bernhard Lieder, Hans Dohren | 1982-01-12 |