Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900666 | Wall part, heat buffer and energy exchange system | — | 2021-01-26 |
| 10788271 | Underground thermal energy storage | — | 2020-09-29 |
| 10024549 | Wall part, heat buffer and energy exchange system | — | 2018-07-17 |
| 4895109 | Mash-feed trough | Cornelis de Groot | 1990-01-23 |