| 2022/0243,533 | Arrangement of a ground drilling device, method for operating a ground drilling device and use of an arrangement of a ground drilling device | Jan 24, 22 | Aug 04, 22 | Not available |
| 2021/0095,553 | MICRO-ROTATING DRILLING METHOD IN DIRECTIONAL DRILLING, COMPUTER DEVICE AND READABLE STORAGE MEDIUM | May 26, 20 | Apr 01, 21 | Not available |
| 2020/0308,911 | GUIDANCE SYSTEMS AND APPARATUS FOR POWER SWIVEL | Nov 21, 16 | Oct 01, 20 | NATIONAL OILWELL VARCO L.P. |
| 2020/0095,829 | DIRECT WRAP MEASUREMENT DURING CONNECTION FOR OPTIMAL SLIDE DRILLING | Sep 24, 18 | Mar 26, 20 | Not available |
| 2013/0008,718 | CONTROL SYSTEM AND INTERFACE FOR A TUNNELING APPARATUS | Mar 26, 10 | Jan 10, 13 | VERMEER MANUFACTURING COMPANY |
| 2010/0139,985 | VIBRATORY DRILL HEAD MOUNTING AND ROTATION COUPLING SYSTEM | Dec 04, 09 | Jun 10, 10 | KEJR, INC. |