Hansen Developments Limited
Records under this name other than patents Hansen Developments Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 9 of 9 · Back to Hansen Developments Limited
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D616,068 | Valve Term ended Term ended May 18, 2024 · From the USPTO record | Term ended | Term ended May 18, 2024 | From the USPTO record |
| US D426,617 | Check valve Term ended Term ended Jun 13, 2014 · From the USPTO record | Term ended | Term ended Jun 13, 2014 | From the USPTO record |
| US 4,583,767 | Pipe coupling Term ended Term ended no later than Apr 22, 2006 · Low confidence | Term ended | Term ended no later than Apr 22, 2006 | Low confidence |
| US 4,840,313 | Water spray fitting Term ended Term ended no later than Jun 20, 2009 · Low confidence | Term ended | Term ended no later than Jun 20, 2009 | Low confidence |
| US 4,953,788 | Water spray fitting Term ended Term ended no later than Sep 4, 2010 · Low confidence | Term ended | Term ended no later than Sep 4, 2010 | Low confidence |
| US 5,687,994 | Pipe coupling Term ended Term ended no later than Nov 18, 2017 · Low confidence | Term ended | Term ended no later than Nov 18, 2017 | Low confidence |
| US 5,802,185 | Slide control system Term ended Term ended no later than Sep 1, 2018 · Low confidence | Term ended | Term ended no later than Sep 1, 2018 | Low confidence |
| US 5,857,719 | Pipe coupling Term ended Term ended no later than Jan 12, 2019 · Low confidence | Term ended | Term ended no later than Jan 12, 2019 | Low confidence |
| US D409,287 | Valve Term ended | Term ended |