Compressor Engineering Corporation
Records under this name other than patents Compressor Engineering Corporation 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 Compressor Engineering Corporation
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,043,710 | Compressor unloader assembly Term ended Term ended no later than Aug 23, 1997 · Low confidence | Term ended | Term ended no later than Aug 23, 1997 | Low confidence |
| US 4,350,179 | Valve assembly with relief groove Term ended Term ended no later than Sep 21, 2002 · Low confidence | Term ended | Term ended no later than Sep 21, 2002 | Low confidence |
| US 4,398,559 | Valve member and assembly with inlet and outlet pressure relief grooves Term ended Term ended no later than Aug 16, 2003 · Low confidence | Term ended | Term ended no later than Aug 16, 2003 | Low confidence |
| US 4,445,824 | Valve for compressor clearance or by-pass control Term ended Term ended no later than May 1, 2004 · Low confidence | Term ended | Term ended no later than May 1, 2004 | Low confidence |
| US 4,447,193 | Compressor unloader apparatus Term ended Term ended no later than May 8, 2004 · Low confidence | Term ended | Term ended no later than May 8, 2004 | Low confidence |
| US 4,737,080 | Valve assembly Term ended Term ended no later than Apr 12, 2008 · Low confidence | Term ended | Term ended no later than Apr 12, 2008 | Low confidence |
| US 4,819,689 | Head-guided poppet valve member and valve assembly Term ended Term ended no later than Apr 11, 2009 · Low confidence | Term ended | Term ended no later than Apr 11, 2009 | Low confidence |
| US 5,662,082 | Pre-combustion chamber for internal combustion engine and method of manufacture thereof Term ended Term ended no later than Sep 2, 2017 · Low confidence | Term ended | Term ended no later than Sep 2, 2017 | Low confidence |
| US 5,724,731 | Method of field installing a pre-combustion chamber for an internal combustion engine Term ended Term ended no later than Mar 10, 2018 · Low confidence | Term ended | Term ended no later than Mar 10, 2018 | Low confidence |