Pullman Berry Co.
Records under this name other than patents Pullman Berry Co. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,083,539 | Oxygen lance assembly Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,083,540 | Gas and oxygen steel making lance Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,083,541 | Oxygen lance assembly Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,083,542 | Oxygen lance assembly Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,083,543 | Oxygen lance assembly Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,083,544 | Oxygen lance assembly Term ended Term ended no later than Apr 11, 1998 · Low confidence | Term ended | Term ended no later than Apr 11, 1998 | Low confidence |
| US 4,106,756 | Oxygen lance and sensing adapter arrangement Term ended Term ended no later than Aug 15, 1998 · Low confidence | Term ended | Term ended no later than Aug 15, 1998 | Low confidence |
| US 4,211,316 | Chute for charging steel making vessels Term ended Term ended no later than Jul 8, 2000 · Low confidence | Term ended | Term ended no later than Jul 8, 2000 | Low confidence |
| US 4,230,274 | Lance for removing skulls from steelmaking vessels Term ended Term ended no later than Oct 28, 2000 · Low confidence | Term ended | Term ended no later than Oct 28, 2000 | Low confidence |
| US 4,245,824 | Chute for charging vessels Term ended Term ended no later than Jan 20, 2001 · Low confidence | Term ended | Term ended no later than Jan 20, 2001 | Low confidence |