E21B 33/0407
With a suspended electrical cable
Official title: {with a suspended electrical cable}
E21B33/0407 (With a suspended electrical cable) appears on 141 US grants and 110 published applications in this corpus.
Search patents in E21B- Granted patents
- 141
- Published applications
- 110
- Assignees
- 55
- Inventors
- 217
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 4 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 0 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 6 | 3 |
| 2014 | 0 | 6 |
| 2015 | 2 | 14 |
| 2016 | 8 | 2 |
| 2017 | 4 | 2 |
| 2018 | 6 | 11 |
| 2019 | 4 | 8 |
| 2020 | 13 | 5 |
| 2021 | 14 | 10 |
| 2022 | 3 | 5 |
| 2023 | 4 | 6 |
| 2024 | 6 | 7 |
| 2025 | 7 | 4 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Penetrator system for electrical submersible pumps8 Sep 2026US 12,729,596 B2Sonic Connectors Ltd.
- Space-out mechanism for a tubing hanger and a tree14 Jul 2026US 12,680,409 B2Innovex International, Inc.
- Tubing hanger alignment device with flanged end9 Jun 2026US 12,650,053 B2Innovex International, Inc.
- Tubing hanger alignment device and space-out mechanism17 Mar 2026US 12,577,846 B2Innovex International, Inc.
- Space-Out Mechanism for a Tubing Hanger and a Tree8 Oct 2026US 2026/0308996 A1Innovex International, Inc.
- Tubing Hanger Alignment Device and Space-Out Mechanism9 Jul 2026US 2026/0193953 A1Innovex International, Inc.
- Selectively powering an electrical submersible pump assembly2 Jul 2026US 2026/0185429 A1Saudi Arabian Oil Company
- Completing a wellbore with multiple electrical submersible pump docking stations2 Jul 2026US 2026/0185430 A1Saudi Arabian Oil Company
- Integral penetrator tubing hanger23 Apr 2026US 2026/0110231 A1Sonic Connectors Ltd.
Most cited
By later US patents
- Sealed electrical conductor method and arrangement for use with a well bore in hazardous areas332US 5,289,882 A1994
- Coiled tubing strings and installation methods111US 6,192,983 B1Baker Hughes Incorporated · 2001
- Inductive-coupling connector for a well head equipment103US 5,052,941 ASchlumberger Technology Corporation · 1991
- Well installation in which electrical current is supplied for a source at the wellhead to an electrically responsive device located a substantial distance below the wellhead98US 4,852,648 AAVA International Corporation · 1989
- Ferrule--type fitting for sealing an electrical conduit in a well head barrier83US 5,823,256 A1998