Prolizenz Aktiengesellschaft
Records under this name other than patents Prolizenz 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 3,953,247 | Method for heat treatment of material to be worked on, especially of aluminium or magnesium alloys Term ended Term ended no later than Apr 27, 1996 · Low confidence | Term ended | Term ended no later than Apr 27, 1996 | Low confidence |
| US 4,049,250 | Crucible Formerly held Term ended Term ended no later than Sep 20, 1997 · Low confidence | Term ended | Term ended no later than Sep 20, 1997 | Low confidence |
| US 4,052,153 | Heat resistant crucible Term ended Term ended no later than Oct 4, 1997 · Low confidence | Term ended | Term ended no later than Oct 4, 1997 | Low confidence |
| US 4,055,391 | Crucible Term ended Term ended no later than Oct 25, 1997 · Low confidence | Term ended | Term ended no later than Oct 25, 1997 | Low confidence |
| US 4,073,355 | Crucible Term ended Term ended no later than Feb 14, 1998 · Low confidence | Term ended | Term ended no later than Feb 14, 1998 | Low confidence |
| US 4,135,704 | Method and apparatus for heat treatment of material to be worked on, especially of aluminum alloys or magnesium alloys Term ended Term ended no later than Jan 23, 1999 · Low confidence | Term ended | Term ended no later than Jan 23, 1999 | Low confidence |
| US 4,159,891 | Crucible Term ended Term ended no later than Jul 3, 1999 · Low confidence | Term ended | Term ended no later than Jul 3, 1999 | Low confidence |
| US 4,212,451 | Installation for the production of continuously cast billets Formerly held Term ended Term ended no later than Jul 15, 2000 · Low confidence | Term ended | Term ended no later than Jul 15, 2000 | Low confidence |
| US 4,217,947 | Process for the delivery of molten metal to a caterpillar type mold Formerly held Term ended Term ended no later than Aug 19, 2000 · Low confidence | Term ended | Term ended no later than Aug 19, 2000 | Low confidence |
| US 4,245,818 | Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys Term ended Term ended no later than Jan 20, 2001 · Low confidence | Term ended | Term ended no later than Jan 20, 2001 | Low confidence |