Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6277261 | Method of producing electrolyte units by electrolytic deposition of a catalyst | Jiri Divisek, Hans-Friedrich Oetjen | 2001-08-21 |
| 6068943 | Fuel cell apparatus and method of increasing the power density of fuel cells using carbon-containing fuels | Jiri Divisek, Hans-Friedrich Oetjen | 2000-05-30 |
| 5457250 | Process for the preparation of synthesis gas | Ulrich Gerhardus, Horst Hanke, Josef Hibbel, Norbert Leder, Klaus Poloszyk +1 more | 1995-10-10 |
| 4752303 | Process for producing synthesis gas by partial oxidation of coal-water suspensions | Winfried Materne, Bernard Schleper, Josef Hibbel, Bernhard Lieder, Ulrich Gerhardus +1 more | 1988-06-21 |
| 4699773 | Process and apparatus for the preparation of ammonium nitrate | Klaus Ulrichs, Joseph Hibbel, Bernhard Lieder, Heinrich Scheve, Burchard Schulze-Frenking +2 more | 1987-10-13 |
| 4547142 | Process and apparatus for producing plastic pipe | Clemens Arenhovel, Joachim Much, Ali-Maher Onallah | 1985-10-15 |
| 4541840 | Process and device for the discharge of ash-containing fuel residues | Josef Hibbel, Ulrich Gerhardus, Bernhard Lieder, Heinrich Scheve, Erwin Zerres | 1985-09-17 |
| 4526588 | Process for the production of a coal-water suspension which is suitable for use in coal gasification under elevated pressure | Jurgen Lusch, Heinrich Heinen, Bernhard Lieder, Wolfgang Kolodzey | 1985-07-02 |
| 4523036 | Process for the preparation of aldehydes | Boy Cornils, Josef Hibbel, Bernhard Lieder, Joachim Much, Ernst Wiebus +1 more | 1985-06-11 |
| 4502230 | Apparatus for heating or cooling and in particular for drying finely particulate solids | Johann Commer, Wulf-Dieter Neuhaus | 1985-03-05 |
| 4425139 | Apparatus for sluicing residues from the pressure system of a pressure gasification tank | Bernhard Lieder, Heinrich Scheve, Hans Dohren | 1984-01-10 |
| 4402860 | Process for demetallizing primary products of the oxo synthesis | Josef Meis, Hans Tummes, Joachim Much | 1983-09-06 |
| 4381924 | Process for sluicing residues from the pressure system of a pressure gasification tank | Bernhard Lieder, Heinrich Scheve, Hans Dohren | 1983-05-03 |
| 4310333 | Process and plant for the gasification of solid fuels via partial oxidation | Bernhard Lieder, Heinrich Scheve, Hans Dohren | 1982-01-12 |