Oil Patch Group, Inc.
Records under this name other than the patents Oil Patch Group, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
Showing 1 to 4 of 4 · Back to Oil Patch Group, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,709,462 | Method for assembling a well drilling tool Term ended Term ended no later than Dec 1, 2007 · Low confidence | Term ended | Term ended no later than Dec 1, 2007 | Low confidence |
| US 4,765,417 | Reaming apparatus for well drilling Term ended Term ended no later than Aug 23, 2008 · Low confidence | Term ended | Term ended no later than Aug 23, 2008 | Low confidence |
| US 4,776,410 | Stabilizing tool for well drilling Term ended Term ended no later than Oct 11, 2008 · Low confidence | Term ended | Term ended no later than Oct 11, 2008 | Low confidence |
| US 4,792,000 | Method and apparatus for well drilling Term ended Term ended no later than Dec 20, 2008 · Low confidence | Term ended | Term ended no later than Dec 20, 2008 | Low confidence |