Process Technology Inc
Records under this name other than patents Process Technology Inc holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Process Technology Inc
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,398,674 | Hydraulically actuated jam release system for a jaw type crushing apparatus Formerly held 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 4,457,947 | Automatic cooking method Term ended Term ended no later than Jul 3, 2004 · Low confidence | Term ended | Term ended no later than Jul 3, 2004 | Low confidence |
| US 4,489,646 | Automatic french frying machine Formerly held Term ended Term ended no later than Dec 25, 2004 · Low confidence | Term ended | Term ended no later than Dec 25, 2004 | Low confidence |
| US 4,617,456 | Long life corrosion proof electroplating immersion heater Term ended Term ended no later than Oct 14, 2006 · Low confidence | Term ended | Term ended no later than Oct 14, 2006 | Low confidence |
| US 4,929,930 | Liquid level controller utilizing the rate of change of a thermocouple Term ended Term ended no later than May 29, 2010 · Low confidence | Term ended | Term ended no later than May 29, 2010 | Low confidence |
| US 4,972,067 | PTC heater assembly and a method of manufacturing the heater assembly Formerly held Term ended Term ended no later than Nov 20, 2010 · Low confidence | Term ended | Term ended no later than Nov 20, 2010 | Low confidence |
| US 5,065,416 | On-line slurry ash monitoring system Formerly held Term ended Term ended no later than Nov 12, 2011 · Low confidence | Term ended | Term ended no later than Nov 12, 2011 | Low confidence |
| US 5,109,473 | Heater assembly for use in a corrosive environment Term ended Term ended no later than Apr 28, 2012 · Low confidence | Term ended | Term ended no later than Apr 28, 2012 | Low confidence |
| US 5,155,800 | Panel heater assembly for use in a corrosive environment and method of manufacturing the heater Formerly held Term ended Term ended no later than Oct 13, 2012 · Low confidence | Term ended | Term ended no later than Oct 13, 2012 | Low confidence |
| US 5,396,574 | Tubular high efficiency, non-contaminating fluid heater Term ended Term ended no later than Mar 7, 2015 · Low confidence | Term ended | Term ended no later than Mar 7, 2015 | Low confidence |