Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077845 | Double-plate gate valve and shut-off plate for use in a double-plate gate valve | Roland Travnicek, Ingo Wirtz | 2018-09-18 |
| 9752688 | Double-plate gate valve, shut-off plate, and method for sealing a double-plate gate valve | Roland Travnicek, Ingo Wirtz | 2017-09-05 |
| 9739377 | Triple sealing seat for a conduit gate valve | Roland Travnicek, Ingo Wirtz | 2017-08-22 |