Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11817692 | Apparatus and method for damping vibrations in high-voltage devices | Ulf Heinrich, Edgar Armando Ramos Cordero, Frank Riedel | 2023-11-14 |
| 10464654 | Rudder blade with a rudder blade hub and rudder blade hub for a rudder blade | Herbert Blümel | 2019-11-05 |
| 10005530 | Device for improving the water influx towards a propeller of a watercraft | Friedrich Mewis | 2018-06-26 |
| 9789943 | Arrangement for multi screw vessels comprising external propeller shafts as well as method for producing such an arrangement | — | 2017-10-17 |
| 9440723 | Arrangement for determining a force acting on a rudder | — | 2016-09-13 |
| 9328613 | Propeller arrangement, in particular for watercraft | — | 2016-05-03 |
| 9306924 | System for personalized telematic services | — | 2016-04-05 |
| 9011088 | Pivotable propeller nozzle for a watercraft | — | 2015-04-21 |
| 8944869 | Pre-nozzle for a drive system of a watercraft to improve the energy efficiency | Friedrich Mewis | 2015-02-03 |
| 8814496 | Device for reducing the drive power requirements of a watercraft | Friedrich Mewis | 2014-08-26 |
| 8676413 | Arrangement for determining a force acting on a rudder | — | 2014-03-18 |
| 8091498 | Rudder arrangement for ships having higher speeds comprising a cavitation-reducing twisted, in particular balanced rudder | — | 2012-01-10 |
| 7752867 | Air recirculation system for stationary store rooms and for cargo spaces of refrigeration ships with high-bay racks | Siegmar Rodermund | 2010-07-13 |
| 7509918 | Rudder post for rudders for water vehicles | — | 2009-03-31 |
| 7337740 | High load balanced rudder | Björn WALTHER | 2008-03-04 |
| 6945186 | Rudder with sliding pivoting piston coupling | — | 2005-09-20 |