Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770630 | Hose connecting method and connector arrangement | Thomas Zenon Zakrzewski, Markus Angelo Ullrich, Ralph Peter Merkel | 2014-07-08 |
| 8230573 | Hose connecting method and connector arrangement | Thomas Zenon Zakrzewski, Markus Angelo Ullrich, Ralph Peter Merkel | 2012-07-31 |
| 7661444 | Corrugated pipe hose assembly and connection method | — | 2010-02-16 |
| 7617841 | Pressure-dependent check valve and hydraulic system equipped therewith | Michael Zimpfer | 2009-11-17 |
| 7328920 | Flexible corrugated hose assembly and connecting process | Axel Schneider | 2008-02-12 |
| 7017610 | Damper for hydraulic systems | Michael Zimpfer, Ralph Peter Merkel | 2006-03-28 |
| 6244299 | Damping element | Michael Seidel-Peschmann | 2001-06-12 |
| 6158472 | Apparatus for damping a pulsation of a fluid conveyed through a conveying device | — | 2000-12-12 |