Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917309 | Process for micronizing solid matter in jet mills | Hans-Gunter Zander, Bernd Holle | 1990-04-17 |
| 4880169 | Process and device for micronizing solid matter in jet mills | Hans-Gunter Zander, Bernd Holle | 1989-11-14 |
| 4810305 | Hydrophobic pigments and fillers for incorporation in synthetic resins | Rolf Braun, Peter Panek, Dieter Rade, Wolfgang Ritter | 1989-03-07 |
| 4326907 | Method of identifying piston rings | Hans P. Fort, Werner Engel | 1982-04-27 |
| 4282784 | Method and lathe for machining out-of-round circumferences | Otto Feller, Heinz Oepen, Manfred Kuhl, Alois Skrobek, Hans-Gunter Seiler +1 more | 1981-08-11 |
| 4266373 | Apparatus for deburring edges | Gerd Comberg, Werner Engel, Johannes Neyer | 1981-05-12 |