Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410230 | Powder-metallurgically produced, wear-resistant material | Werner Theisen, Andreas Packeisen | 2016-08-09 |
| 6652616 | Powder metallurgical method for in-situ production of a wear-resistant composite material | Birgit Wewers | 2003-11-25 |
| 6022508 | Method of powder metallurgical manufacturing of a composite material | — | 2000-02-08 |
| 5503687 | Nitrogen enrichment of surface and near surface regions to produce a high-strength austenitic surface layer in stainless steels | — | 1996-04-02 |
| 5503797 | Stainless steel for case hardening with nitrogen | Hans-Werner Zoch | 1996-04-02 |