Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8905157 | Control system, rock drill rig and control method | Deyi Jiao, Jonas Sinnerstad, Hans Gustavsson | 2014-12-09 |
| 8464808 | Method and device for controlling a rock drill rig | Marcus Leü, Magnus Olsson, Jonas Sinnerstad, Deyi Jiao | 2013-06-18 |
| 7329550 | Method for analyzing the structure of deep trench capacitors and a preparation method thereof | Hsien-Wen Liu, Jen-Lang Lue | 2008-02-12 |
| 6520205 | Compressor unloader system | Brian D. Sowards | 2003-02-18 |
| 5988298 | Drill rod position stabilizing device | J. George Land, III | 1999-11-23 |
| 5762150 | Drill rod changer assembly | Stuart A. Connell, Danny S. Bailey, Phillip A. Mayhew | 1998-06-09 |