F16L 55/40
Of the body
Official title: of the body
F16L55/40 (Of the body) appears on 302 US grants and 381 published applications in this corpus.
Search patents in F16L- Granted patents
- 302
- Published applications
- 381
- Assignees
- 221
- Inventors
- 845
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 5 |
| 2003 | 2 | 0 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 8 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 6 | 7 |
| 2010 | 3 | 3 |
| 2011 | 5 | 3 |
| 2012 | 2 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 11 |
| 2015 | 4 | 10 |
| 2016 | 9 | 20 |
| 2017 | 13 | 11 |
| 2018 | 8 | 30 |
| 2019 | 19 | 27 |
| 2020 | 27 | 34 |
| 2021 | 24 | 40 |
| 2022 | 28 | 36 |
| 2023 | 37 | 29 |
| 2024 | 26 | 35 |
| 2025 | 34 | 30 |
| 2026 | 21 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and tool for inspecting the condition of the internal surface of pipes6 Oct 2026US 12,753,874 B2Petroleo Brasileiro S.A. - Petrobras
- High temperature resistant, jacketed foreign material exclusion device29 Sep 2026US 12,747,821 B2Advanced F.M.E. Products, Inc.
- Pipe inspection camera system15 Sep 2026US 12,736,169 B2Shenzhen Andelian Technology Co., Ltd.
- Devices for performing maintenance in a pipeline and methods for driving the devices toward a launch port1 Sep 2026US 12,723,698 B1Weldfit LLC
- Tool carrier comprising a wheel driving module, and tool carrier train25 Aug 2026US 12,716,542 B2Westinghouse Electric Nuclear Field Services France
- In-line detector for geometric deformation of non-metallic pipeline with automatic jam release function24 Sep 2026US 2026/0287320 A1Changzhou University
- Intelligent suction-type underground drainage pipeline sediment removal robot and sediment removal method17 Sep 2026US 2026/0273592 A1Zhengzhou University
- Robot for trenchless pipeline and manhole rehabilitation3 Sep 2026US 2026/0258897 A1
- Tool and method for inspection of pipes using two wave modes generated by an emat3 Sep 2026US 2026/0258898 A1Petroleo Brasileiro S.A. - Petrobras
- Lumen network inspection robot13 Aug 2026US 2026/0235249 A1The Regents of the University of California
Most cited
By later US patents
- Gas main robotic inspection system178US 6,917,176 B2Carnegie Mellon University · 2005
- Pneumatically operated pipe crawler105US 4,372,161 A1983
- Apparatus and method for an autonomous robotic system for performing activities in a well60US 7,303,010 B2Intelligent Robotic Corporation · 2007
- Underground pipe inspection device and method49US 7,493,817 B2Operations Technology Development, Nfp · 2009
- Foam pipeline pig with seal cups34US 5,625,917 A1997