| 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 |