Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10933342 | Heat transfer tube and method for manufacturing a heat transfer tube | Martin Apel | 2021-03-02 |
| 10926189 | Heat transfer tube and method for manufacturing a heat transfer tube | Lars Olausson, Martin Apel, Mattias Gourdon, Anders Åkesjö | 2021-02-23 |