E21B 7/024
Having means for adapting to inclined terrain
Official title: {having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling}
E21B7/024 (Having means for adapting to inclined terrain) appears on 94 US grants and 74 published applications in this corpus.
Search patents in E21B- Granted patents
- 94
- Published applications
- 74
- Assignees
- 67
- Inventors
- 218
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 3 | 4 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 2 | 4 |
| 2014 | 4 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 6 |
| 2017 | 3 | 4 |
| 2018 | 5 | 6 |
| 2019 | 7 | 8 |
| 2020 | 9 | 7 |
| 2021 | 7 | 8 |
| 2022 | 5 | 4 |
| 2023 | 5 | 5 |
| 2024 | 9 | 2 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Construction machine and method for carrying out a construction work step8 Sep 2026US 12,729,586 B1Klemm Bohrtechnik GmbH
- Adjustable drilling rig30 Sep 2025US 12,428,911 B2K & K Innovations Ltd
- Hydraulic collapsible rotary stand for wireline coring underground drill rig15 Jul 2025US 12,359,513 B2Chifeng Hao Feng Drilling Co., Ltd.
- Slimline stop collar with seal to prevent micro-annulus leakage29 Apr 2025US 12,286,845 B2Downhole Products Limited
- Quick disconnect Kelly bar system1 Apr 2025US 12,264,584 B2Bay Shore Systems, Inc.
- Construction machine and method for carrying out a construction work step10 Sep 2026US 2026/0266136 A1Klemm Bohrtechnik GmbH
- Hydraulic collapsible rotary stand for wireline coring underground drill rig17 Apr 2025US 2025/0122765 A1Chifeng Hao Feng Drilling Co., Ltd.
- Slimline stop collar with seal to prevent micro-annulus leakage20 Mar 2025US 2025/0092743 A1Downhole Products Limited
- Adjustable Drilling Rig26 Sep 2024US 2024/0318503 A1K & K Innovations Ltd
- Tunneling System25 Jul 2024US 2024/0247551 A1Ccteg Taiyuan Research Institute
Most cited
By later US patents
- Exploration-sampling drilling system51US 5,213,169 A1993
- Robot arm44US 4,645,084 AConstruction Robotics, LLC · 1987
- Mobile drilling rig having a retractable guiding mount or mast38US 4,368,602 A1983
- In-the-hole drill27US 4,637,475 AInco Limited · 1987
- Apparatus for and method of drilling a hole into the ground25US 4,371,046 A1983