Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8857124 | Weatherproof building envelope | — | 2014-10-14 |
| 8844213 | Device for generating solar power | — | 2014-09-30 |
| 5990414 | Photovoltaic solar roof | — | 1999-11-23 |
| 5067475 | Radiation shield | — | 1991-11-26 |
| 4730602 | Apparatus for automatically directing solar radiation focused by a reflector | Hernan Posnansky | 1988-03-15 |
| 4421102 | Process and apparatus for heating a transparent, gaseous medium by means of concentrated solar radiation | Ruedi Kriesi | 1983-12-20 |
| 4399919 | Vacuum flask | Urs Utiger | 1983-08-23 |
| 4209222 | Installation for utilizing solar energy with wavelength selective reflector | — | 1980-06-24 |
| 4196721 | Solar heated vacuum flask | — | 1980-04-08 |