Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109181 | High-pressure mercury vapor discharge lamp | Hanns E. Fischer | 1992-04-28 |
| 4866327 | Gas discharge lamp with microporous aerogel | Hanns E. Fischer, Reinhard Kersten, Joseph G. Van Lierop | 1989-09-12 |
| 4562955 | Air-conditioner | Klaus Klinkenberg | 1986-01-07 |
| 4319559 | Solar collector for heating a gaseous heat transport medium | Wilhelm Hermann | 1982-03-16 |
| 4284069 | Wall element comprising a solar collector which is disposed between two transparent panes | Wilhelm Hermann, Klaus Klinkenberg | 1981-08-18 |