F16L 55/30
Of the propulsion means
Official title: of the propulsion means, e.g. towed by cables
F16L55/30 (Of the propulsion means) appears on 473 US grants and 520 published applications in this corpus.
Search patents in F16L- Granted patents
- 473
- Published applications
- 520
- Assignees
- 312
- Inventors
- 1,239
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 3 |
| 2003 | 1 | 6 |
| 2004 | 10 | 7 |
| 2005 | 6 | 15 |
| 2006 | 5 | 11 |
| 2007 | 10 | 10 |
| 2008 | 7 | 12 |
| 2009 | 5 | 9 |
| 2010 | 6 | 10 |
| 2011 | 10 | 8 |
| 2012 | 5 | 8 |
| 2013 | 4 | 7 |
| 2014 | 5 | 12 |
| 2015 | 13 | 17 |
| 2016 | 12 | 19 |
| 2017 | 18 | 16 |
| 2018 | 13 | 44 |
| 2019 | 27 | 32 |
| 2020 | 31 | 52 |
| 2021 | 38 | 46 |
| 2022 | 31 | 44 |
| 2023 | 45 | 36 |
| 2024 | 48 | 35 |
| 2025 | 39 | 41 |
| 2026 | 26 | 20 |
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
- In-pipe localization of tools using time between signals18 Aug 2026US 12,710,123 B2Saudi Arabian Oil Company
- Drifting device and method for tubular goods11 Aug 2026US 12,704,212 B2Vallourec Oil and Gas France
- In-pipe localization of tools using signal profiles4 Aug 2026US 12,698,869 B2Saudi Arabian Oil Company
- Robot for trenchless pipeline and manhole rehabilitation3 Sep 2026US 2026/0258897 A1
- A device for detecting blockages in water pipes, and a method for detecting blockages by means of such a device20 Aug 2026US 2026/0243382 A1Aganova S.L.
- 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
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
- Autonomous robotic crawler for in-pipe inspection144US 7,210,364 B22007
- Cornering pipe traveler143US 5,172,639 AGas Research Institute · 1992