Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942289 | Electric heating element with PTC component | Roland Starck | 1990-07-17 |
| 4671072 | Sensor for detecting frost deposits | Roland Starck | 1987-06-09 |
| 4580123 | Thermal protective switch | Roland Starck | 1986-04-01 |
| 4418272 | Electric heater | Karl-Heinz Nauerth | 1983-11-29 |
| 4371777 | Continuous flow electric water heater | Karl-Heinz Nauerth | 1983-02-01 |
| 4343988 | Electrical resistance water heating device, particularly for beverage preparation machines | Helmut Ohnmacht, Ludwig Lieber, Karl-Heinz Nauerth | 1982-08-10 |
| 4334141 | Combined electric water heating and vessel support plate for a beverage preparation device | Helmut Ohnmacht, Ludwig Lieber, Karl-Heinz Nauerth | 1982-06-08 |
| 4331860 | Electrical resistance heating element | Karl-Heinz Nauerth, Rudi Kitt | 1982-05-25 |