Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767935 | Heat exchanger comprising concrete thermal energy storage elements | Pål G. Bergan | 2020-09-08 |
| 10752215 | Vehicle automatic defrost system and control method for external window surface | Kai Wang | 2020-08-25 |
| 10591224 | Concrete thermal energy storage containing concrete thermal energy storage elements arranged in cassettes that are self-supporting with respect to transport and installation, method of building and methods of operating said storage | Pål G. Bergan, Nils Høivik | 2020-03-17 |