Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654813 | Safety device for detecting electrode breakage | — | 2014-02-18 |
| 7998400 | Gas supply system for a metallurgical furnace and method for operating this system | Peter Heinrich, Rolf Best | 2011-08-16 |
| 7830947 | Furnace installation and method for melting down metallic or metal-containing charge materials | — | 2010-11-09 |
| 7691320 | Gas supply system for a metallurgical furnace and operating method for said system | Peter Heinrich, Rolf Best | 2010-04-06 |
| 7306763 | Metallurgical vessel for melting device for liquid metals | — | 2007-12-11 |
| 6728291 | Melting vessels provided with a cooled bottom electrode | Peter Starke | 2004-04-27 |
| 6693949 | Method and device for operating electric arc furnaces and/or resistance furnaces | Peter Starke | 2004-02-17 |
| 6660219 | Method and device for emptying metallurgic melting vessels by tipping | Peter Starke | 2003-12-09 |
| 6036915 | Water-cooled ladle hood | Klaus Kühne | 2000-03-14 |
| 5847096 | DNA constructs encoding CD4 fusion proteins | George Geltmyier HARMISON, II, Chang-Jie Chen, Akhil Banjerjea | 1998-12-08 |
| 5381440 | Bottom electrode for direct current arc furnaces | — | 1995-01-10 |
| 4829538 | Furnace hearth | Hartmut Hlawatschek, Gunter Gelsdorf, Kurt Bohm | 1989-05-09 |
| 4730337 | Method and apparatus for operating a direct-current arc furnace | — | 1988-03-08 |
| 4412757 | Vibration machine for compacting materials, in particular an earth compacting machine | Friedrich Kummel, Rudolf Hennecke, Ludwig Unrath | 1983-11-01 |