Kool-Fire Research & Development Inc.
Records under this name other than patents Kool-Fire Research & Development Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,311,191 | Heat-augmented heat exchanger Term ended Term ended no later than Jan 19, 2002 · Low confidence | Term ended | Term ended no later than Jan 19, 2002 | Low confidence |
| US 4,311,192 | Heat-augmented heat exchanger Term ended Term ended no later than Jan 19, 2002 · Low confidence | Term ended | Term ended no later than Jan 19, 2002 | Low confidence |
| US 4,415,023 | Heat exchanger housing with air deflecting baffle and hinge door 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 4,420,034 | Heat-augmented heat exchanger Term ended Term ended no later than Dec 13, 2003 · Low confidence | Term ended | Term ended no later than Dec 13, 2003 | Low confidence |
| US 4,429,734 | Heat exchanger coil Term ended Term ended no later than Feb 7, 2004 · Low confidence | Term ended | Term ended no later than Feb 7, 2004 | Low confidence |
| US 4,441,546 | Method of operating a heat-augmented heat pump system Term ended Term ended no later than Apr 10, 2004 · Low confidence | Term ended | Term ended no later than Apr 10, 2004 | Low confidence |
| US 4,442,890 | Heat exchanger housing with fan operated door Term ended Term ended no later than Apr 17, 2004 · Low confidence | Term ended | Term ended no later than Apr 17, 2004 | Low confidence |
| US 4,458,665 | Heat exchanger with baffle plates Term ended Term ended no later than Jul 10, 2004 · Low confidence | Term ended | Term ended no later than Jul 10, 2004 | Low confidence |
| US 4,461,345 | Heat-augmented heat exchanger system Term ended Term ended no later than Jul 24, 2004 · Low confidence | Term ended | Term ended no later than Jul 24, 2004 | Low confidence |
| US 4,825,664 | High efficiency heat exchanger Term ended Term ended no later than May 2, 2009 · Low confidence | Term ended | Term ended no later than May 2, 2009 | Low confidence |