Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11456472 | Method and device for generating electric energy | Bernd Speth, Eduard Harwardt | 2022-09-27 |
| 10707502 | Method and apparatus for inertizing an oxygen-containing gas | Bernd Speth, Eduard Harwardt | 2020-07-07 |