Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11226144 | R-744 system with hot gas defrost by the transcritical compressors | Gaétan Lesage | 2022-01-18 |
| 11137171 | Transcritical R-744 refrigeration system for supermarkets with improved efficiency and reliability | Gaétan Lesage | 2021-10-05 |
| 10578343 | Mechanical subcooling of transcritical R744 refrigeration systems using separate R-744 or other refrigerants units for mechanical subcooling and as a heat pump for heat reclaim purposes | Gaétan Lesage | 2020-03-03 |
| 9822993 | Transcritical R744 refrigeration system for skating rinks with total condensation and without flash-gas bypass | Gaétan Lesage | 2017-11-21 |
| 9109816 | Mechanical subcooling of transcritical R-744 refrigeration systems with heat pump heat reclaim and floating head pressure | Gaétan Lesage | 2015-08-18 |
| 8789380 | Defrost system and method for a subcritical cascade R-744 refrigeration system | Gaétan Lesage | 2014-07-29 |
| 7401473 | Dual refrigerant refrigeration system and method | Gaétan Lesage | 2008-07-22 |
| 7197886 | Heat reclaim refrigeration system and method | Gaétan Lesage | 2007-04-03 |
| 6216481 | Refrigeration system with heat reclaim and with floating condensing pressure | — | 2001-04-17 |