E21B 17/046
With ribs, pins, or jaws, and complementary grooves or the like
Official title: with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
E21B17/046 (With ribs, pins, or jaws, and complementary grooves or the like) appears on 544 US grants and 495 published applications in this corpus.
Search patents in E21B- Granted patents
- 544
- Published applications
- 495
- Assignees
- 266
- Inventors
- 909
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 2 |
| 2002 | 5 | 6 |
| 2003 | 6 | 5 |
| 2004 | 4 | 10 |
| 2005 | 3 | 9 |
| 2006 | 6 | 6 |
| 2007 | 7 | 7 |
| 2008 | 4 | 11 |
| 2009 | 2 | 7 |
| 2010 | 12 | 16 |
| 2011 | 6 | 11 |
| 2012 | 5 | 9 |
| 2013 | 9 | 10 |
| 2014 | 7 | 23 |
| 2015 | 24 | 36 |
| 2016 | 17 | 29 |
| 2017 | 21 | 26 |
| 2018 | 29 | 43 |
| 2019 | 30 | 34 |
| 2020 | 36 | 24 |
| 2021 | 33 | 41 |
| 2022 | 24 | 33 |
| 2023 | 45 | 32 |
| 2024 | 28 | 27 |
| 2025 | 33 | 23 |
| 2026 | 19 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Connector assembly for emergency decoupling of a subsea end fitting of a movable subsea structure29 Sep 2026US 12,747,653 B2S3N Ventus Ltd
- Underground directional drilling apparatus22 Sep 2026US 12,742,358 B1Melfred Borzall, Inc.
- Latch coupling including unique axial alignment slots15 Sep 2026US 12,735,952 B2Halliburton Energy Services.Inc.
- Downhole tool including a bore sensor25 Aug 2026US 12,716,306 B2Halliburton Energy Services.Inc.
- Subsystem with a locking ring for coupling components in a wellbore14 Jul 2026US 12,680,398 B1Halliburton Energy Services.Inc.
- Underground directional drilling apparatus24 Sep 2026US 2026/0286786 A1Melfred Borzall, Inc.
- Multi-functioning locking mechanism of a hold open rod20 Aug 2026US 2026/0243280 A1MarathonNorco Aerospace, Inc.
- Quick disconnect system for use with downhole tools23 Jul 2026US 2026/0210191 A1Schlumberger Technology Corporation
- Field redressable shear blocker for fuzion tools to eliminate the shear to release contingency23 Jul 2026US 2026/0210192 A1Halliburton Energy Services.Inc.
- A connector assembly for emergency decoupling of a subsea end fitting of a movable subsea structure16 Jul 2026US 2026/0201777 A1S3N Ventus Ltd
Most cited
By later US patents
- Expandable tubing connector for expandable tubing138US 6,322,109 B1Weatherford/Lamb, Inc. · 2001
- Remotely operable releasable pipe connector134US 4,611,662 AAmoco Corporation · 1986
- Roof drill bit with radial domed PCD inserts127US 5,535,839 A1996
- Coupling112US 5,176,406 A1993
- Down hole hammer assembly87US 6,035,953 A2000