Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881982 | Method for gaseous carburization of steel | Bernd Edenhofer | 1989-11-21 |
| 4610435 | Industrial furnace for the thermal treatment of metal workpieces | Albert Fleiter | 1986-09-09 |
| 4304549 | Recuperator burner for industrial furnaces | — | 1981-12-08 |