Comprex AG
Records under this name other than patents Comprex AG holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,709,079 | Supporting structures of modular furniture Lapsed on the fee record Ended Mar 23, 2008 · From the USPTO record | Lapsed on the fee record | Ended Mar 23, 2008 | From the USPTO record |
| US 4,232,999 | Superchargers for internal combustion engines Term ended Term ended no later than Nov 11, 2000 · Low confidence | Term ended | Term ended no later than Nov 11, 2000 | Low confidence |
| US 4,288,203 | Multi-flow gas dynamic pressure-wave machine Term ended Term ended no later than Sep 8, 2001 · Low confidence | Term ended | Term ended no later than Sep 8, 2001 | Low confidence |
| US 4,298,028 | Starting valve and mounting therefor Term ended Term ended no later than Nov 3, 2001 · Low confidence | Term ended | Term ended no later than Nov 3, 2001 | Low confidence |
| US 4,398,868 | Control apparatus for a gas dynamic pressure-wave machine for charging combustion engines 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 4,414,952 | Actuator for an air valve placed in the boost air duct of an IC engine Term ended Term ended no later than Nov 15, 2003 · Low confidence | Term ended | Term ended no later than Nov 15, 2003 | Low confidence |
| US 4,428,352 | Process for operating an internal-combustion engine with a supercharger which can be cut out, and a device for carrying out the process Term ended Term ended no later than Jan 31, 2004 · Low confidence | Term ended | Term ended no later than Jan 31, 2004 | Low confidence |
| US 4,487,552 | Dynamic-pressure machine for charging internal-combustion engines Formerly held Term ended Term ended no later than Dec 11, 2004 · Low confidence | Term ended | Term ended no later than Dec 11, 2004 | Low confidence |
| US 4,488,532 | Gas-dynamic pressure wave machine with exhaust gas bypass Formerly held Term ended Term ended no later than Dec 18, 2004 · Low confidence | Term ended | Term ended no later than Dec 18, 2004 | Low confidence |
| US 4,500,260 | Pressure wave supercharger with rolling bearings for the rotor Formerly held Term ended Term ended no later than Feb 19, 2005 · Low confidence | Term ended | Term ended no later than Feb 19, 2005 | Low confidence |