Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032878 | Method and device for controlling the switching movement of a valve | Martin Gesikiewicz, Bernd Porath | 2006-04-25 |
| 6305665 | Bellows for sealing a valve rod passage in a globe valve | Wolfgang Rauen, Martin Sauer, Werner Schmid | 2001-10-23 |
| 6047730 | Device for the drive system for double seat valves | Jurgen Schreiber | 2000-04-11 |
| 6029302 | Cleanable scraper station | Gundar Scholz | 2000-02-29 |
| 4436106 | Pipeline switch with leakage control and cleanable leakage cavity | Otto A. P. Tuchenhagen, Hans O. Mieth | 1984-03-13 |
| 4344453 | Pipeline switch with leakage control and cleanable leakage cavity | Otto A. P. Tuchenhagen, Hans O. Mieth | 1982-08-17 |