Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861265 | Apparatus and method for the heat treatment of fine-grained material | Manfred Durr, Georg Unland, Gunter Driemeier, Karl Krutzner, Heinz-Herbert Schmits +3 more | 1989-08-29 |
| 4300879 | Process for the heat-treatment of fine-grained material | Wolf Goldmann, Dieter Michaelsen, Dietmar Holsiepe, Peter Tiggesbaumker, Klaus Bauer +2 more | 1981-11-17 |