Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020485 | Lifting gear valve arrangement | Soenke Jessen, Gerhard Keuper, Reiner Kunz | 2011-09-20 |
| 7997073 | Hydraulic control system | Gerhard Keuper, Peter Stachnik, Milan Djurovic | 2011-08-16 |
| 7984611 | Hydraulic control system | Milan Djurovic, Peter Stachnik, Gerhard Keuper | 2011-07-26 |
| 7870728 | Hydraulic control arrangement | Gerhard Keuper, Peter Stachnik, Soenke Jessen | 2011-01-18 |