Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616779 | Workpiece made from a chromium alloy | Peter Ernst, Hannes Speidel, Markus Speidel | 2003-09-09 |
| 6547896 | Process for the production of a material made of a metal alloy | Gian-Carlo Gullo, Markus Speidel, Kurt Steinhoff | 2003-04-15 |
| 6406572 | Process for the production of a workpiece from a chromium alloy, and its use | Peter Ernst, Hannes Speidel, Markus Speidel | 2002-06-18 |
| 6030469 | Fully martensitic steel alloy | Peter Ernst, Markus Speidel, Alkan Göcmen | 2000-02-29 |
| 5714115 | Austenitic steel alloy | Markus Speidel, Gerald Stein, Joachim Menzel | 1998-02-03 |
| 5415706 | Heat- and creep-resistant steel having a martensitic microstructure produced by a heat-treatment process | Brendon Scarlin, Markus Speidel | 1995-05-16 |