E21B 19/04
Hooks
E21B19/04 (Hooks) appears on 18 US grants and 15 published applications in this corpus.
Search patents in E21B- Granted patents
- 18
- Published applications
- 15
- Assignees
- 22
- Inventors
- 60
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual-packer injection leaching system and method6 May 2025US 12,291,953 B1
- Installing pipeline segments within a conduit24 Jan 2023US 11,559,948 B2
- Method, system, and medium for controlling rate of a penetration of a drill bit27 Sep 2022US 11,454,103 B2Pason Systems Corp.
- Installing pipeline segments within a conduit11 May 2021US 11,001,010 B2Durali System Design & Automation Co.
- Elevator system for supporting a tubular member13 Oct 2020US 10,801,275 B2Forum US, Inc.
- Quick bail system16 Jan 2025US 2025/0020030 A1
- Installing pipeline segments within a conduit23 Sep 2021US 2021/0293098 A1Durali System Design & Automation Co.
- System and method for handling a kelly using a top drive18 Mar 2021US 2021/0079761 A1Schlumberger Technology Corporation
- Method, system, and medium for controlling rate of a penetration of a drill bit21 Nov 2019US 2019/0353022 A1Pason Systems Corp.
- Installing pipeline segments within a conduit14 Nov 2019US 2019/0344508 A1Durali System Design & Automation Co.
Most cited
By later US patents
- Safety hook and method14US 5,577,787 AIngersoll-Rand Company · 1996
- Tool identification6US 10,626,683 B2Weatherford Technology Holdings, LLC · 2020
- Thread-on collared yoke for power riser pipes6US 6,082,793 A2000
- Measuring hookload5US 10,281,270 B2Halliburton Energy Services.Inc. · 2019
- Shock absorbing snubber for derrick hooks5US 4,438,910 AHughes Tool Company · 1984