Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852377 | High efficiency tankless water heater | Stephen Memory, Chad Edington, Neil Rolph, Brian Iske, Dustin Wiggins +2 more | 2023-12-26 |
| 11761677 | Water heater having highly efficient and compact heat exchanger | Ziwen Fu, Jun Xiao, Yonghua Cheng, Tingyu Li, Mohamed Mehdi Doura | 2023-09-19 |
| 11573148 | Leakage detection in condensing water heater | Matthew W. Critchley, Quinn Thomas Keller | 2023-02-07 |
| 11435113 | Dual input water heater | Ray O. Knoeppel, Chad Edington | 2022-09-06 |
| 10605482 | Water heater with damper | Brian Thomas Branecky, Mark A. Murphy, Benjamin Bolton | 2020-03-31 |
| 10429084 | Heat pump water heater | — | 2019-10-01 |
| 10139129 | Water heater having thermal displacement conduit | Matthew W. Critchley | 2018-11-27 |
| 10006311 | Waste heat recovery system and method of operating the same | Eric P. Steinbach | 2018-06-26 |
| 9267414 | Waste heat recovery system and method of operating the same | Eric P. Steinbach | 2016-02-23 |
| 7343965 | Brazed plate high pressure heat exchanger | Stephen Memory, Tao Jia, Milisav Lazarevic, Roland Strahle | 2008-03-18 |
| 7261151 | Suction line heat exchanger for CO2 cooling system | Stephen Memory | 2007-08-28 |
| 6988542 | Heat exchanger | Gregory G. Hughes | 2006-01-24 |
| 6901763 | Refrigeration system | Stephen Memory, Samuel J. Collier | 2005-06-07 |
| 6892803 | High pressure heat exchanger | Stephen Memory, Gregory G. Hughes | 2005-05-17 |
| 6848268 | CO2 cooling system | Stephen Memory | 2005-02-01 |