Thyssen Aktiengesellschaft
Records under this name other than patents Thyssen Aktiengesellschaft holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,309,025 | Apparatus for carrying out metallurgical reactions in a ladle Term ended Term ended no later than Jan 5, 2002 · Low confidence | Term ended | Term ended no later than Jan 5, 2002 | Low confidence |
| US 4,322,596 | Apparatus for producing large shafts by welding build up Term ended Term ended no later than Mar 30, 2002 · Low confidence | Term ended | Term ended no later than Mar 30, 2002 | Low confidence |
| US 4,336,078 | Process and apparatus for the separation of metallurgical products Term ended Term ended no later than Jun 22, 2002 · Low confidence | Term ended | Term ended no later than Jun 22, 2002 | Low confidence |
| US 4,350,525 | Magnetic suspension railroad parts Term ended Term ended no later than Sep 21, 2002 · Low confidence | Term ended | Term ended no later than Sep 21, 2002 | Low confidence |
| US 4,353,689 | Heating arrangement for revolving bodies whose diameter varies during production thereof by build-up welding Term ended Term ended no later than Oct 12, 2002 · Low confidence | Term ended | Term ended no later than Oct 12, 2002 | Low confidence |
| US 4,366,258 | Blast furnace with a refractory lining of concrete components Term ended Term ended no later than Dec 28, 2002 · Low confidence | Term ended | Term ended no later than Dec 28, 2002 | Low confidence |
| US 4,497,192 | Process for cropping the head of self-luminous rolled material, especially metal strips and system for cropping the head Term ended Term ended no later than Feb 5, 2005 · Low confidence | Term ended | Term ended no later than Feb 5, 2005 | Low confidence |
| US 4,533,384 | Process for preparing binder-free hot-briquets Term ended Term ended no later than Aug 6, 2005 · Low confidence | Term ended | Term ended no later than Aug 6, 2005 | Low confidence |
| US 4,611,751 | Method and apparatus for the manufacture of cylindrical hollow bodies Term ended Term ended no later than Sep 16, 2006 · Low confidence | Term ended | Term ended no later than Sep 16, 2006 | Low confidence |
| US 4,645,184 | Apparatus for preparing binder-free hot-briquets Term ended Term ended no later than Feb 24, 2007 · Low confidence | Term ended | Term ended no later than Feb 24, 2007 | Low confidence |