E21B 15/006
Means for anchoring the drilling machine to the ground
Official title: {Means for anchoring the drilling machine to the ground}
E21B15/006 (Means for anchoring the drilling machine to the ground) appears on 84 US grants and 65 published applications in this corpus.
Search patents in E21B- Granted patents
- 84
- Published applications
- 65
- Assignees
- 58
- Inventors
- 160
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 5 |
| 2015 | 3 | 5 |
| 2016 | 5 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 7 |
| 2019 | 3 | 5 |
| 2020 | 5 | 9 |
| 2021 | 4 | 7 |
| 2022 | 8 | 4 |
| 2023 | 3 | 2 |
| 2024 | 5 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Underground drill rig and systems and methods of using same7 Apr 2026US 12,595,706 B2Boart Longyear Manufacturing And Distribution Inc.
- Support for drilling and bolting tool10 Feb 2026US 12,546,168 B2Joy Global Underground Mining LLC
- Hydraulic collapsible rotary stand for wireline coring underground drill rig15 Jul 2025US 12,359,513 B2Chifeng Hao Feng Drilling Co., Ltd.
- Directional drill securing device and method1 Jul 2025US 12,345,098 B2TT Technologies, Inc.
- Side saddle traversable drilling rig25 Mar 2025US 12,258,816 B2Nabors Drilling Technologies USA, Inc.
- Directional drill securing device and method23 Oct 2025US 2025/0327362 A1TT Technologies, Inc.
- Hydraulic collapsible rotary stand for wireline coring underground drill rig17 Apr 2025US 2025/0122765 A1Chifeng Hao Feng Drilling Co., Ltd.
- Support for drilling and bolting tool24 Oct 2024US 2024/0352798 A1Joy Global Underground Mining LLC
- Drill rig anchoring devices, systems, and methods26 Sep 2024US 2024/0318508 A1Bly IP Inc.
- Underground Drill Rig And Systems And Methods Of Using Same16 May 2024US 2024/0159107 A1Longyear TM, Inc.
Most cited
By later US patents
- Apparatus for injecting soil conditioning fluid53US 5,346,334 ASunEarth Co., Ltd. · 1994
- Mine roof driller-bolter apparatus and method37US 4,420,277 AJoy Manufacturing Company · 1983
- Alignment restoration device for load transporting apparatus21US 9,463,833 B2Entro Industries, Inc. · 2016
- Box-on-box self-stacking substructure for a drill rig21US 9,488,014 B2Unit Corporation · 2016
- Drill rig20US 5,794,724 ADiamond Products Joint Venture · 1998