Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645655 | Process to anneal steel strips in an annealing furnace without generating carbon black | Peter Zylla | 1997-07-08 |
| 5605104 | Method and device for melting down solid combustion residues | Frank Lichtmann | 1997-02-25 |
| 5582779 | Process and apparatus using liquefied gas for making plastic particles | Birgitta Meier, Johannes Vetter, Peter Steinau | 1996-12-10 |
| 5505145 | Process and apparatus for waste incineration | Frank Lichtmann | 1996-04-09 |
| 5451247 | Process for removing tin, arsenic and antimony from molten lead | Dietmar Wibck, Karl Hengst, Frank Toubartz | 1995-09-19 |
| 5139569 | Process for the production of alloy steel grades using treatment gas consisting of CO.sub.2 | Marjan Velikonja | 1992-08-18 |
| 4897111 | Method for the manufacture of powders from molten materials | Sigurd Jonsson, Michael Hohmann, Hans Bergmann | 1990-01-30 |