Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983926 | Valve arrangement for hydraulic consumer | — | 2006-01-10 |
| 6978679 | Hydraulic pressure sensor | — | 2005-12-27 |
| 6535771 | Extraction controller for mining—extraction machines | — | 2003-03-18 |
| 6509842 | Control system for a longwall support | — | 2003-01-21 |
| 6481802 | Control system for longwall face alignment | — | 2002-11-19 |
| 6375154 | Seat and holding valve | Rolf Beils | 2002-04-23 |
| 6361119 | Mining control system for adjusting the advance of mining tools | — | 2002-03-26 |
| 6263913 | Hydraulic multiway valve | — | 2001-07-24 |
| 5234256 | Cutting apparatus for mining operations with automatic control | Bayramali Demircan | 1993-08-10 |
| 5062033 | Electro-hydraulic control system for a mineral mining installation | Johannes Konig, Martin Reuter | 1991-10-29 |
| 4906143 | Electro-hydraulic control systems | Johannes Konig, Martin Reuter | 1990-03-06 |
| 4874335 | Cable assembly for mineral mining installations | Reiner Frank | 1989-10-17 |
| 4870364 | Method of, and apparatus for, monitoring the operation of electromagnetic hydraulic valves | Uwe Trox, Martin Reuter, Johannes Konig | 1989-09-26 |
| 4716928 | Pressure-relief valve devices | Walter Weirich | 1988-01-05 |
| 4708394 | Methods of controlling the operation of mineral mining installations | Uwe Trox | 1987-11-24 |
| 4702148 | Control of the actuation of hydraulic consumers | Michael Dettmers, Walter Weirich | 1987-10-27 |
| 4682678 | Gearing units for use with mining equipment | Werner Bohle | 1987-07-28 |
| 4622998 | Hydraulic control device | Bayramali Demircan | 1986-11-18 |
| 4485724 | Hydraulic control apparatus | Bayramadi Demircan | 1984-12-04 |