BTR plc
Records under this name other than patents BTR plc holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,296,016 | Double obturator valve Formerly held Term ended Term ended Mar 8, 2020 · From the USPTO record | Term ended | Term ended Mar 8, 2020 | From the USPTO record |
| US 6,308,629 | Manipulation of printing blankets Formerly held Lapsed on the fee record Ended Oct 30, 2005 · From the USPTO record | Lapsed on the fee record | Ended Oct 30, 2005 | From the USPTO record |
| US 4,250,024 | Glass bead separator Term ended Term ended no later than Feb 10, 2001 · Low confidence | Term ended | Term ended no later than Feb 10, 2001 | Low confidence |
| US 4,570,980 | Staple coupling Term ended Term ended no later than Feb 18, 2006 · Low confidence | Term ended | Term ended no later than Feb 18, 2006 | Low confidence |
| US 4,605,681 | Thermosetting polyurethanes Term ended Term ended no later than Aug 12, 2006 · Low confidence | Term ended | Term ended no later than Aug 12, 2006 | Low confidence |
| US 4,614,100 | System for the monitoring and control of flow of particulate material in impact treatment equipment Term ended Term ended no later than Sep 30, 2006 · Low confidence | Term ended | Term ended no later than Sep 30, 2006 | Low confidence |
| US 4,673,366 | Exposure suit with an attached lifejacket Term ended Term ended no later than Jun 16, 2007 · Low confidence | Term ended | Term ended no later than Jun 16, 2007 | Low confidence |
| US 4,721,330 | Pipe clamp device Formerly held Term ended Term ended no later than Jan 26, 2008 · Low confidence | Term ended | Term ended no later than Jan 26, 2008 | Low confidence |
| US 4,750,894 | Liferaft Formerly held Term ended Term ended no later than Jun 14, 2008 · Low confidence | Term ended | Term ended no later than Jun 14, 2008 | Low confidence |
| US 4,788,949 | Mounting arrangement for vehicle engines Term ended Term ended no later than Dec 6, 2008 · Low confidence | Term ended | Term ended no later than Dec 6, 2008 | Low confidence |