Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073343 | Metal heat exchanger tube | Ronald Lutz, Jean El Hajal, Manfred Knab | 2021-07-27 |
| 10996005 | Heat exchanger tube | Ronald Lutz, Jean El Hajal, Manfred Knab | 2021-05-04 |
| 10974309 | Condenser tubes with additional flank structure | Jean El Hajal, Andreas Beutler | 2021-04-13 |
| 10976115 | Heat exchanger tube | Ronald Lutz, Jean El Hajal, Manfred Knab | 2021-04-13 |
| 10948245 | Heat exchanger tube | Ronald Lutz, Jean El Hajal, Manfred Knab | 2021-03-16 |