Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8818947 | Landscape transformation replication server | Wolfgang Gutberlet, Klaus Daschakowsky, Jochen Merkel | 2014-08-26 |
| 5320476 | Sheet-film removal device | Gerd Hoitz | 1994-06-14 |
| 4939817 | Process and device for separating a sulfur-lye suspension | — | 1990-07-10 |
| 4876079 | Separation of a mixture of sulfur and alkaline solution and apparatus therefor | Erhard Kliem, Alfred Kunz | 1989-10-24 |
| 4623668 | Preparation of methanol | Franz J. Broecker, Gerd Duembgen, Wolfgang Pies, Gottfried Schlichthaerle | 1986-11-18 |
| 4434143 | Carbonate ion control to prevent losses of vanadium in oxidation of hydrogen sulfide | — | 1984-02-28 |
| 4434145 | Simultaneous scrubbing and oxidation of hydrogen sulfide using excess vanadate | — | 1984-02-28 |
| 4434146 | Scrubbing of hydrogen sulphide using pH control to control thiosulfate formation | — | 1984-02-28 |