Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162638 | Polar cap-reinforced pressure vessel | Christian Middendorf | 2021-11-02 |
| 11098801 | Pole cap with pressure connection element for pressure vessels | Claus Castenholz | 2021-08-24 |