Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449577 | Method of storing energy and system for carrying out this method | Hannes Alfven, Nicolai Herlofson, Miroslav Babic | 1984-05-22 |
| 4205531 | Method in the cooling of a space and apparatus for carrying out said method | Ray Olsson | 1980-06-03 |
| 4186794 | Method and system for storing and extracting low-temperature heat energy | Ray Olsson | 1980-02-05 |