E21B 7/025
Rock drills, i.e. jumbo drills
Official title: {Rock drills, i.e. jumbo drills}
E21B7/025 (Rock drills, i.e. jumbo drills) appears on 299 US grants and 253 published applications in this corpus.
Search patents in E21B- Granted patents
- 299
- Published applications
- 253
- Assignees
- 121
- Inventors
- 601
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 5 |
| 2004 | 3 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 8 |
| 2009 | 1 | 6 |
| 2010 | 6 | 17 |
| 2011 | 10 | 12 |
| 2012 | 8 | 4 |
| 2013 | 9 | 7 |
| 2014 | 9 | 14 |
| 2015 | 5 | 8 |
| 2016 | 7 | 15 |
| 2017 | 7 | 25 |
| 2018 | 12 | 10 |
| 2019 | 24 | 13 |
| 2020 | 12 | 24 |
| 2021 | 18 | 18 |
| 2022 | 16 | 12 |
| 2023 | 18 | 10 |
| 2024 | 13 | 21 |
| 2025 | 12 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drilling and bolting tool18 Aug 2026US 12,709,981 B2Joy Global Underground Mining LLC
- Survey tool system for blast hole drilling rigs4 Aug 2026US 12,698,704 B2Devico AS
- Apparatus, rock drilling rig and drilling method5 May 2026US 12,618,290 B2Sandvik Mining and Construction Oy
- Compact machine for carrying tools17 Mar 2026US 12,577,876 B2Pioneer Conveyor, LLC
- Coal mine automatic directional drill24 Feb 2026US 12,560,028 B2CCTEG Chongqing Research Institute Co., Ltd.
- Method and an arrangement for protecting a lubricating system of a rock drilling machine, and a mining machine8 Oct 2026US 2026/0309271 A1Sandvik Mining and Construction Oy
- Apparatus for drilling and positioning a collar support sleeve into a blast hole16 Jul 2026US 2026/0201778 A1
- Bolting head, bolting rig and method9 Jul 2026US 2026/0193985 A1Sandvik Mining and Construction Oy
- Method for monitoring dust collector performance, a dust collecting arrangement of a drilling apparatus and a rock drilling rig23 Apr 2026US 2026/0110226 A1Sandvik Mining and Construction Oy
- Apparatus and a method for monitoring a rock drilling rig26 Mar 2026US 2026/0085582 A1Sandvik Mining and Construction Oy
Most cited
By later US patents
- Adaptive user interface for rock drilling rig77US 7,931,096 B2Sandvik Mining and Construction Oy · 2011
- Method and device for controlling a rock drill rig72US 8,464,808 B2Atlas Copco Rock Drills AB · 2013
- Drill automation control system71US 5,465,798 AReedrill, Inc. · 1995
- Robot arm44US 4,645,084 AConstruction Robotics, LLC · 1987
- Rock bolting apparatus42US 4,226,559 AAtlas Copco Aktiebolag · 1980