WELCH; Andrew M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for WELCH; Andrew M..The latest application filed is for "sealing egress for fluid heat exchange in the wall of a structure".
- WELCH; Andrew M. - Franklin OH
- Welch; Andrew M. - Sidney OH
- Welch; Andrew M. - Mount Wolf PA
- Welch; Andrew M - Mt. Wolf PA US
- Welch; Andrew M. - Mt. Wolf PA
| Patent | Date |
|---|---|
| Hybrid Heat-Pump System App 20220307737 - BUTLER; Brian R. ; et al. | 2022-09-29 |
| Sealing Egress For Fluid Heat Exchange In The Wall Of A Structure App 20220307598 - WELCH; Andrew M. ; et al. | 2022-09-29 |
| Heat-Pump System With Multiway Valve App 20220307736 - WELCH; Andrew M. ; et al. | 2022-09-29 |
| Plastic Film Heat Exchanger For Low Pressure And Corrosive Fluids App 20220282930 - WELCH; Andrew M. ; et al. | 2022-09-08 |
| Refrigeration system leak detection Grant 11,359,846 - Welch June 14, 2 | 2022-06-14 |
| Refrigerant Isolation Using A Reversing Valve App 20220082304 - WELCH; Andrew M. ; et al. | 2022-03-17 |
| Refrigeration Leak Detection App 20210404685 - BUTLER; Brian R. ; et al. | 2021-12-30 |
| Refrigeration Leak Detection App 20210381708 - BUTLER; Brian R. ; et al. | 2021-12-09 |
| Refrigeration leak detection Grant 11,131,471 - Butler , et al. September 28, 2 | 2021-09-28 |
| Heat exchanger Grant 10,677,503 - Hu , et al. | 2020-06-09 |
| Subcooling system with thermal storage Grant 10,371,428 - Kopko , et al. | 2019-08-06 |
| Heat Exchanger App 20180120002 - HU; Hongming ; et al. | 2018-05-03 |
| Subcooling System With Thermal Storage App 20180010838 - Kopko; William L. ; et al. | 2018-01-11 |
| Heat exchanger Grant 9,857,109 - Hu , et al. January 2, 2 | 2018-01-02 |
| Heat recovery system series arrangements Grant 9,816,402 - Kauffman , et al. November 14, 2 | 2017-11-14 |
| Subcooling system with thermal storage Grant 9,733,005 - Kopko , et al. August 15, 2 | 2017-08-15 |
| Heat exchanger Grant 9,212,836 - Welch December 15, 2 | 2015-12-15 |
| Heat Exchanger App 20150007604 - HU; Hongming ; et al. | 2015-01-08 |
| Subcooling System With Thermal Storage App 20140260376 - Kopko; William L. ; et al. | 2014-09-18 |
| Motor cooling applications Grant 8,516,850 - Jadric , et al. August 27, 2 | 2013-08-27 |
| Vapor compression system Grant 8,511,103 - Welch August 20, 2 | 2013-08-20 |
| Motor cooling applications Grant 8,434,323 - Welch , et al. May 7, 2 | 2013-05-07 |
| Heat Recovery System Series Arrangements App 20120192563 - Kauffman; Justin P. ; et al. | 2012-08-02 |
| Heat Exchanger App 20100275643 - Welch; Andrew M. | 2010-11-04 |
| Vapor Compression System App 20100269524 - Welch; Andrew M. | 2010-10-28 |
| Motor Cooling Applications App 20100006262 - WELCH; Andrew M. ; et al. | 2010-01-14 |
| Motor Cooling Applications App 20100006264 - JADRIC; Ivan ; et al. | 2010-01-14 |
| Heat Exchanger App 20090165497 - WELCH; Andrew M. | 2009-07-02 |
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