F16L 55/32
Being self-contained
Official title: being self-contained
F16L55/32 (Being self-contained) appears on 242 US grants and 257 published applications in this corpus.
Search patents in F16L- Granted patents
- 242
- Published applications
- 257
- Assignees
- 176
- Inventors
- 703
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 3 | 5 |
| 2006 | 1 | 3 |
| 2007 | 4 | 6 |
| 2008 | 3 | 5 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 4 | 3 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 1 | 5 |
| 2015 | 7 | 11 |
| 2016 | 8 | 9 |
| 2017 | 6 | 4 |
| 2018 | 5 | 23 |
| 2019 | 12 | 16 |
| 2020 | 13 | 23 |
| 2021 | 18 | 27 |
| 2022 | 16 | 26 |
| 2023 | 28 | 24 |
| 2024 | 29 | 22 |
| 2025 | 25 | 17 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe inspection camera system15 Sep 2026US 12,736,169 B2Shenzhen Andelian Technology Co., Ltd.
- Tool carrier comprising a wheel driving module, and tool carrier train25 Aug 2026US 12,716,542 B2Westinghouse Electric Nuclear Field Services France
- Drifting device and method for tubular goods11 Aug 2026US 12,704,212 B2Vallourec Oil and Gas France
- Control system and methods for adjusting traction of a pipe navigation apparatus28 Jul 2026US 12,692,968 B2GE Infrastructure Technology LLC
- Continuously variable helical transmission system7 Jul 2026US 12,673,737 B2Mobilites Mondiales Inc.
- Robot for trenchless pipeline and manhole rehabilitation3 Sep 2026US 2026/0258897 A1
- Lumen network inspection robot13 Aug 2026US 2026/0235249 A1The Regents of the University of California
- Self-propelled robot30 Jul 2026US 2026/0218836 A1University of Notre Dame du Lac
- Module forming a mechanical actuator of the muscle or fluidic bladder type, corresponding system and method of use2 Jul 2026US 2026/0185547 A1
- Adapted laser pig with agitation and circulation mechanism for thermal control in subsea operations2 Jul 2026US 2026/0185644 A1
Most cited
By later US patents
- Modular observation crawler and sensing instrument and method for operating same200US 6,450,104 B1North Carolina State University · 2002
- Gas main robotic inspection system178US 6,917,176 B2Carnegie Mellon University · 2005
- Pneumatic pipe inspection device150US 4,646,787 AInstitute of Gas Technology · 1987
- Cornering pipe traveler143US 5,172,639 AGas Research Institute · 1992
- Autonomous robotic crawler for in-pipe inspection141US 7,182,025 B2University of Houston-Clear Lake · 2007