Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662337 | Hoisting mechanism for steel processing ladles in RH degassers | Joachim Ehle, Markus Huellen, Michael Kurlbaum, Reinhard Pannenbäcker, Joohen Sowinski | 2010-02-16 |
| 6638471 | Water cooled vessel for vacuum processing liquid steel | F. Wagener | 2003-10-28 |
| 6368550 | Variably insertable combined lance with displaceable burner and blower lance bodies | Friedhelm Wagener | 2002-04-09 |
| 5894009 | Vacuum tight reaction vessel for steel processing with a packing gland | — | 1999-04-13 |
| 5421563 | Slide closure for melting pots | Heinz Holtermann | 1995-06-06 |
| 5096164 | Steel-processing vessel having a graphite rod heating means | Heinz Holtermann | 1992-03-17 |
| 4872648 | Reaction vessel for processing steel | Heinz Holtermann | 1989-10-10 |
| 4216347 | Vacuum-electric arc heating system | Heinz Holtermann | 1980-08-05 |