Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407358 | Light-weight cross-flow heat exchanger unit | Hans-Joachim Koetz | 1983-10-04 |
| 4360058 | Process for the preparation of a surface of a metal wall for the transfer of heat | — | 1982-11-23 |
| 4327803 | Arrangements for cross-flow heat exchanger units | Hans-Joachim Koetz | 1982-05-04 |