Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524822 | Safety heat-transmitting device | Manfred Hage | 1985-06-25 |
| 4392526 | Concentric tube heat exchanger with spacer | Manfred Hage, Hans-Ulrich Demuth | 1983-07-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524822 | Safety heat-transmitting device | Manfred Hage | 1985-06-25 |
| 4392526 | Concentric tube heat exchanger with spacer | Manfred Hage, Hans-Ulrich Demuth | 1983-07-12 |