Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942230 | Hydraulic power steering system | Michael Haegele, Manfred Heintschel | 2011-05-17 |
| 7735595 | Hydraulic power steering | Andreas Braun | 2010-06-15 |
| 6810985 | Steering device for a vehicle | Martin Budaker | 2004-11-02 |
| 5799259 | Vehicle with steerable front and rear wheels | Klaus Rief, Dieter Elser | 1998-08-25 |
| 5107752 | Rotary gate valve for hydraulic servo-assisted steering systems | Dieter Elser, Helmut Hetzel | 1992-04-28 |
| 5099939 | Multi-axle steering system | Dieter Elser | 1992-03-31 |
| 5086687 | Rotary slide valve for hydraulic auxiliary power steering | Dieter Elser, Helmut Hetzel | 1992-02-11 |