Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727650 | High pressure discharge lamp with reflection layer on the neck portion | Holger Moench, Arnd Ritz | 2004-04-27 |
| 6534932 | Method and arrangement for monitoring a gas discharge lamp | — | 2003-03-18 |
| 5798503 | Method of achieving a comfortable temperature in a room, and device for carrying out this method | Reinhard Kersten | 1998-08-25 |
| 5780812 | Lamp heated iron with temperature control means | — | 1998-07-14 |
| 5522307 | Device for controlling the boiling power of a water-containing vessel | Reinhard Kersten | 1996-06-04 |
| 5410129 | Arrangement for controlling the heating power for a cooking vessel | Reinhard Kersten, Martin Sonnek | 1995-04-25 |
| 5378482 | Method of controlling the boiling power for a water-containing vessel | Reinhard Kersten | 1995-01-03 |
| 4562955 | Air-conditioner | Horst Horster | 1986-01-07 |
| 4284069 | Wall element comprising a solar collector which is disposed between two transparent panes | Horst Horster, Wilhelm Hermann | 1981-08-18 |