E21B 17/1035
For plural rods, pipes or lines
Official title: {for plural rods, pipes or lines, e.g. for control lines}
E21B17/1035 (For plural rods, pipes or lines) appears on 246 US grants and 218 published applications in this corpus.
Search patents in E21B- Granted patents
- 246
- Published applications
- 218
- Assignees
- 117
- Inventors
- 400
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 8 |
| 2003 | 9 | 7 |
| 2004 | 6 | 4 |
| 2005 | 4 | 8 |
| 2006 | 4 | 3 |
| 2007 | 4 | 8 |
| 2008 | 4 | 7 |
| 2009 | 3 | 13 |
| 2010 | 10 | 11 |
| 2011 | 11 | 21 |
| 2012 | 7 | 10 |
| 2013 | 9 | 11 |
| 2014 | 17 | 10 |
| 2015 | 8 | 6 |
| 2016 | 12 | 16 |
| 2017 | 10 | 10 |
| 2018 | 7 | 8 |
| 2019 | 11 | 4 |
| 2020 | 5 | 6 |
| 2021 | 7 | 5 |
| 2022 | 4 | 9 |
| 2023 | 6 | 8 |
| 2024 | 12 | 13 |
| 2025 | 9 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Downhole line retention with axial flow11 Aug 2026US 12,704,043 B1Halliburton Energy Services.Inc.
- Robust downhole pump barrel12 May 2026US 12,624,691 B2Q2 Artificial Lift Services LLC
- Travel joint with telescoping control lines28 Apr 2026US 12,612,828 B2Halliburton Energy Services.Inc.
- Stage tool assembly with control line protector and method of cementing a wellbore24 Mar 2026US 12,584,359 B2Forum US, Inc.
- Extensible transition joint for control line protection16 Dec 2025US 12,497,843 B2Halliburton Energy Services.Inc.
- Robust Downhole Pump Barrel20 Aug 2026US 2026/0243245 A1Q2 Artificial Lift Services LLC
- Travel joint with telescoping control lines6 Aug 2026US 2026/0226802 A1Halliburton Energy Services.Inc.
- Conduit separator assembly and process for using the same25 Jun 2026US 2026/0177167 A1Koil Energy Solutions, Inc.
- Stage tool assembly with control line protector and method of cementing a wellbore18 Jun 2026US 2026/0168334 A1Forum US, Inc.
- Extensible transition joint for control line protection12 Mar 2026US 2026/0071502 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Chemical injection tubing anchor-catcher117US 4,605,063 ABaker Oil Tools, Inc. · 1986
- Process and device for installing seismic sensors inside a petroleum production well111US 4,775,009 AInstitut Francais du Petrole · 1988
- Protective jacket assembly103US 4,611,656 A1986
- Intelligent well system and method100US 6,789,621 B2Schlumberger Technology Corporation · 2004
- Intelligent well system and method99US 6,817,410 B2Schlumberger Technology Corporation · 2004