Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340961 | Plasma torch for transmitted arcs | Hans J. Bebber, Gebhard Tomalla | 1994-08-23 |
| 5206481 | Plasma burner for transferred electric arc | Ulrich Scheffler, Gebhard Tomalla, Herbert Klein | 1993-04-27 |
| 4818836 | Power supply for a three-phase plasma heating unit | Hans J. Bebber, Bernhard Espendiller | 1989-04-04 |
| 4713826 | Method and apparatus for holding or increasing the temperature in a metal melt | Hans J. Bebber, Dieter Neuschutz | 1987-12-15 |
| 4645899 | Plasma torch with hollow fluid cooled nozzle | Hans J. Bebber, Gebhard Tomalla | 1987-02-24 |
| 4594496 | Apparatus for introducing ionizable gas into a plasma of an arc burner | Hans J. Bebber, Gebhard Tomalla | 1986-06-10 |
| 4580031 | Plasma burner and method of operation | Hans J. Bebber, Gebhard Tomalla | 1986-04-01 |
| 4203760 | Method for producing steel from sponge metal by using a gas plasma | Henri F. Seelig | 1980-05-20 |