Commercial Intertech Corp.
Records under this name other than patents Commercial Intertech Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Commercial Intertech Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,038,957 | Control valves Lapsed on the fee record Ended Mar 21, 2012 · From the USPTO record | Lapsed on the fee record | Ended Mar 21, 2012 | From the USPTO record |
| US 4,358,724 | Solid state servo amplifier for a D.C. motor position control system Formerly held Term ended Term ended no later than Nov 9, 2002 · Low confidence | Term ended | Term ended no later than Nov 9, 2002 | Low confidence |
| US 4,470,776 | Methods and apparatus for gear pump lubrication Formerly held Term ended Term ended no later than Sep 11, 2004 · Low confidence | Term ended | Term ended no later than Sep 11, 2004 | Low confidence |
| US 4,497,597 | Cribbing Formerly held Term ended Term ended no later than Feb 5, 2005 · Low confidence | Term ended | Term ended no later than Feb 5, 2005 | Low confidence |
| US 4,519,419 | Hydraulic valves Formerly held Term ended Term ended no later than May 28, 2005 · Low confidence | Term ended | Term ended no later than May 28, 2005 | Low confidence |
| US 4,519,420 | Hydraulic valves Formerly held Term ended Term ended no later than May 28, 2005 · Low confidence | Term ended | Term ended no later than May 28, 2005 | Low confidence |
| US 4,543,649 | System for ultrasonically detecting the relative position of a moveable device Term ended Term ended no later than Sep 24, 2005 · Low confidence | Term ended | Term ended no later than Sep 24, 2005 | Low confidence |
| US 4,565,469 | Cribbing Formerly held Term ended Term ended no later than Jan 21, 2006 · Low confidence | Term ended | Term ended no later than Jan 21, 2006 | Low confidence |
| US 4,569,367 | Hydraulic valve inlet unloaders Formerly held Term ended Term ended no later than Feb 11, 2006 · Low confidence | Term ended | Term ended no later than Feb 11, 2006 | Low confidence |
| US 4,569,372 | Remote valve operators Formerly held Term ended Term ended no later than Feb 11, 2006 · Low confidence | Term ended | Term ended no later than Feb 11, 2006 | Low confidence |