Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972708 | Thermal mass flow-meter particularly for gases | Gerhard Wiegleb, Helmut Heimel | 1990-11-27 |
| 4872769 | Friction bearing system for a rapidly rotating shaft | Hans Krause, Helmut Koch | 1989-10-10 |
| 4674884 | Cell for a gas analyzer | Helmut Heimel, Albert Randow, Gerhard Wiegleb | 1987-06-23 |
| 4395632 | Cuvette for optical gas-analysis apparatus | Helmut Heimel | 1983-07-26 |