Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240536 | Test-gas leak detector | Christian Beyer, Hermann Boy, Rainer Hölzer | 2007-07-10 |
| 4938376 | Valve for safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases | Heinrich Fieseler, Roland Henneborn | 1990-07-03 |