E21B 47/013
Devices specially adapted for supporting measuring instruments on drill bits
E21B47/013 (Devices specially adapted for supporting measuring instruments on drill bits) appears on 321 US grants and 314 published applications in this corpus.
Search patents in E21B- Granted patents
- 321
- Published applications
- 314
- Assignees
- 95
- Inventors
- 523
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 3 |
| 2003 | 5 | 2 |
| 2004 | 5 | 6 |
| 2005 | 3 | 8 |
| 2006 | 5 | 7 |
| 2007 | 5 | 10 |
| 2008 | 5 | 11 |
| 2009 | 10 | 3 |
| 2010 | 4 | 15 |
| 2011 | 6 | 17 |
| 2012 | 15 | 17 |
| 2013 | 11 | 14 |
| 2014 | 9 | 17 |
| 2015 | 13 | 18 |
| 2016 | 11 | 16 |
| 2017 | 13 | 13 |
| 2018 | 24 | 15 |
| 2019 | 15 | 16 |
| 2020 | 17 | 10 |
| 2021 | 18 | 22 |
| 2022 | 21 | 19 |
| 2023 | 26 | 25 |
| 2024 | 19 | 11 |
| 2025 | 21 | 14 |
| 2026 | 12 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices, systems, and methods for identifying a radial position of an expandable tool29 Sep 2026US 12,747,663 B1Schlumberger Technology Corporation
- Downhole sensor apparatus, system, and related methods22 Sep 2026US 12,742,382 B2Baker Hughes Oilfield Operations LLC
- Dynamic load resistant drilling system15 Sep 2026US 12,735,974 B2Schlumberger Technology Corporation
- Monitoring drilling parameters25 Aug 2026US 12,716,350 B2Schlumberger Technology Corporation
- Method for coal rock recognition30 Jun 2026US 12,669,453 B2Guiihou Yihe Mining Co., Ltd.
- Method for coal rock recognition16 Apr 2026US 2026/0104372 A1Guizhou University
- Systems and methods for determining angular and translational acceleration at a drill bit26 Feb 2026US 2026/0055694 A1Baker Hughes Oilfield Operations LLC
- Dynamic load resistant drilling system12 Feb 2026US 2026/0043325 A1Schlumberger Technology Corporation
- Weight and torque sensor for drill bits13 Nov 2025US 2025/0347571 A1Baker Hughes Oilfield Operations LLC
- Estimating environmental parameter of cutter elements2 Oct 2025US 2025/0305408 A1National Oilwell Varco, L. P.
Most cited
By later US patents
- Short hop communication link for downhole MWD system294US 5,160,925 ADevelco, Inc. · 1992
- Well bore data transmission system177US 4,788,544 AHughes Tool Company - USA · 1988
- Method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations152US 5,813,480 ABaker Hughes Incorporated · 1998
- Bit-stabilized combination coring and drilling system142US 5,568,838 ABaker Hughes Incorporated · 1996
- System for drilling deivated boreholes138US 5,410,303 ABaroid Technology, Inc. · 1995