Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313423 | Solar collector with heat pipe | — | 1982-02-02 |
| 4270520 | Solar collector comprising an evaporation/condensation system | George A. A. Asselman, Johan C. de Grijs | 1981-06-02 |
| 4254820 | Heat transport device | George A. A. Asselman, Johann Schroder | 1981-03-10 |
| 4239604 | Selective layer for absorbing compartment of solar collectors | — | 1980-12-16 |
| 4220196 | Heat storage device | Klaus Gawron, Johann Schroder | 1980-09-02 |