Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972761 | Hydraulic safety brake valve arrangement for load lowering | — | 1990-11-27 |
| 4955194 | Damping arrangement for damping the oscillations of valve controlled by pressure fluid | Thorkild Christensen, Siegfried Zenker | 1990-09-11 |
| 4685295 | Control device for a hydraulically operated consumer | Preben Christiansen, Christian Eskildsen | 1987-08-11 |
| 4597725 | Rotary piston machine with parallel internal axes | Hans Christian Petersen, Hans L. Hansen | 1986-07-01 |
| 4575321 | Hydrostatic control device, particularly steering device | Hans Christian Petersen, Erik Kyster | 1986-03-11 |
| 4557676 | Hydrostatic control device, particularly steering device | Hans Christian Petersen, Erik Kyster | 1985-12-10 |
| 4548035 | Hydraulic control apparatus for a servomotor | Thorkild Christensen | 1985-10-22 |
| 4535678 | Hydraulic control apparatus for a servo-motor, particularly for vehicle steering | Thorkild Christensen | 1985-08-20 |
| 4533303 | Hydrostatic control device, particularly steering device | Hans Christian Petersen, Erik Kyster | 1985-08-06 |
| 4505109 | Hydraulic control apparatus particularly steering apparatus | Erik Kyster | 1985-03-19 |
| 4502855 | Rotary piston machine with parallel internal axes | Hans Christian Petersen | 1985-03-05 |
| 4471808 | Hydraulic control apparatus | Erik Kyster, Soren N. Sorensen | 1984-09-18 |
| 4471809 | Hydraulic control apparatus with an adjustable throttle | Erik Kyster, Soren N. Sorensen | 1984-09-18 |
| 4462209 | Hydraulic control means, particularly steering means | Erik Kyster | 1984-07-31 |
| 4432270 | Hydrostatic control device particularly a steering device | Erik Kyster | 1984-02-21 |
| 4412415 | Hydrostatic steering gear | Erik Kyster | 1983-11-01 |
| 4372413 | Hydrostatic steering device | Hans Christian Petersen, Erik Kyster, Carl O. Flagstad | 1983-02-08 |
| 4364302 | Hydraulic control apparatus for a servo-motor, particularly for vehicle steering | Thorkild Christensen | 1982-12-21 |
| 4266464 | Hydraulic control apparatus for servo-motor particularly for vehicle steering | Johannes V. Baatrup, Thorkild Christensen, Tage Christiansen | 1981-05-12 |