Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394594 | Low alloy steel with a high yield strength and high sulphide stress cracking resistance | Axel Kulgemeyer, Jean Leyer, Michel Piette | 2016-07-19 |
| 9273383 | Low-alloy steel having a high yield strength and a high sulphide-induced stress cracking resistance | Laurent Delattre, Herve Marchebois, Michel Piette, Michaela Hoerstemeier, Joachim Konrad | 2016-03-01 |