Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491175 | Method of connecting a plate-shaped absorber for solar heat to a tubular heat transport system | — | 1985-01-01 |
| 4356811 | Solar collector | Johan C. de Grijs | 1982-11-02 |
| 4348793 | Method of connecting a plate-shaped absorber for solar heat to a tubular heat transport system | — | 1982-09-14 |