Phillips Engineering Co.
Records under this name other than patents Phillips Engineering Co. 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 Phillips Engineering Co.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,179,568 | Piston pump and method of reducing vapor lock Lapsed on the fee record Ended Jan 30, 2005 · From the USPTO record | Lapsed on the fee record | Ended Jan 30, 2005 | From the USPTO record |
| US 6,024,542 | Piston pump and method of reducing vapor lock Lapsed on the fee record Ended Feb 15, 2004 · From the USPTO record | Lapsed on the fee record | Ended Feb 15, 2004 | From the USPTO record |
| US 5,271,235 | High efficiency absorption cycle of the gax type Term ended Term ended no later than Dec 21, 2013 · Low confidence | Term ended | Term ended no later than Dec 21, 2013 | Low confidence |
| US 5,367,884 | Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump Term ended Term ended no later than Nov 29, 2014 · Low confidence | Term ended | Term ended no later than Nov 29, 2014 | Low confidence |
| US 5,564,908 | Fluid pump having magnetic drive Term ended Term ended no later than Oct 15, 2016 · Low confidence | Term ended | Term ended no later than Oct 15, 2016 | Low confidence |
| US 5,570,584 | Generator-Absorber heat exchange transfer apparatus and method using an intermediate liquor Term ended Term ended no later than Nov 5, 2016 · Low confidence | Term ended | Term ended no later than Nov 5, 2016 | Low confidence |
| US 5,579,652 | Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump Term ended Term ended no later than Dec 3, 2016 · Low confidence | Term ended | Term ended no later than Dec 3, 2016 | Low confidence |
| US 5,782,097 | Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump Term ended Term ended no later than Jul 21, 2018 · Low confidence | Term ended | Term ended no later than Jul 21, 2018 | Low confidence |
| US 5,811,026 | Corrosion inhibitor for aqueous ammonia absorption system Term ended Term ended no later than Sep 22, 2018 · Low confidence | Term ended | Term ended no later than Sep 22, 2018 | Low confidence |