E21B 17/1064
Pipes or rods with a relatively rotating sleeve
Official title: {Pipes or rods with a relatively rotating sleeve}
E21B17/1064 (Pipes or rods with a relatively rotating sleeve) appears on 166 US grants and 107 published applications in this corpus.
Search patents in E21B- Granted patents
- 166
- Published applications
- 107
- Assignees
- 100
- Inventors
- 260
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 10 |
| 2003 | 5 | 7 |
| 2004 | 4 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 3 | 1 |
| 2008 | 4 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 6 |
| 2013 | 1 | 4 |
| 2014 | 4 | 2 |
| 2015 | 4 | 12 |
| 2016 | 3 | 6 |
| 2017 | 8 | 7 |
| 2018 | 7 | 5 |
| 2019 | 6 | 4 |
| 2020 | 7 | 7 |
| 2021 | 5 | 5 |
| 2022 | 8 | 1 |
| 2023 | 0 | 2 |
| 2024 | 5 | 5 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Drill pipe torque reducer and method29 Oct 2024US 12,129,717 B2Frank's International, LLC
- Drilling tractor tool24 Sep 2024US 12,098,605 B2Saudi Arabian Oil Company
- Tether roller apparatus26 Jun 2025US 2025/0207467 A1Eddyfi Canada Inc.
- Wellbore cleaning tools1 May 2025US 2025/0137355 A1Wellbore Integrity Solutions LLC
- Downhole torque reducer11 Jul 2024US 2024/0229560 A1Rotojar Innovations Limited
- Torque reduction assembly11 Jul 2024US 2024/0229572 A9Nxg Technologies Limited
- Drilling tractor tool11 Jul 2024US 2024/0229583 A9Aramco Overseas Company UK Ltd
Most cited
By later US patents
- Integrated directional under-reamer and stabilizer136US 6,059,051 ABaker Hughes Incorporated · 2000
- Stabilizer for use in a drill string120US 6,622,803 B2Rotary Drilling Technology, LLC · 2003
- Drill pipe protector assembly97US 6,378,633 B1Western Well Tool, Inc. · 2002
- Drill pipe/casing protector assembly96US 5,803,193 AWestern Well Tool, Inc. · 1998
- Drill pipe/casing protector and method93US 5,069,297 ARudolph E. Krueger, Inc. · 1991