F16L 55/38
Driven by fluid pressure
Official title: driven by fluid pressure
F16L55/38 (Driven by fluid pressure) appears on 155 US grants and 189 published applications in this corpus.
Search patents in F16L- Granted patents
- 155
- Published applications
- 189
- Assignees
- 108
- Inventors
- 387
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 4 |
| 2004 | 4 | 4 |
| 2005 | 3 | 7 |
| 2006 | 2 | 7 |
| 2007 | 4 | 3 |
| 2008 | 3 | 5 |
| 2009 | 2 | 6 |
| 2010 | 2 | 7 |
| 2011 | 4 | 4 |
| 2012 | 2 | 4 |
| 2013 | 3 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 7 |
| 2017 | 7 | 6 |
| 2018 | 6 | 13 |
| 2019 | 8 | 14 |
| 2020 | 13 | 20 |
| 2021 | 15 | 13 |
| 2022 | 9 | 17 |
| 2023 | 12 | 7 |
| 2024 | 8 | 9 |
| 2025 | 15 | 10 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-pipe localization of tools using time between signals18 Aug 2026US 12,710,123 B2Saudi Arabian Oil Company
- In-pipe localization of tools using signal profiles4 Aug 2026US 12,698,869 B2Saudi Arabian Oil Company
- Nozzle mounted camera16 Jun 2026US 12,656,665 B2Envirosight LLC
- Pipe inspection apparatus2 Jun 2026US 12,644,555 B2Korea Gas Corporation
- Unmanned aerial vehicle28 Apr 2026US 12,612,776 B2ACSL Ltd.
- 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.
- Adapted laser pig with agitation and circulation mechanism for thermal control in subsea operations2 Jul 2026US 2026/0185644 A1
- Method for operating a working apparatus in a pipeline, and working apparatus25 Jun 2026US 2026/0177184 A1
- Method for operating an implement in a pipeline, and implement18 Jun 2026US 2026/0168610 A1
- Magnetizers for pigging tools having rotational elements7 May 2026US 2026/0126415 A1Novitech Inc.
Most cited
By later US patents
- Autonomous robotic crawler for in-pipe inspection144US 7,210,364 B22007
- Autonomous robotic crawler for in-pipe inspection141US 7,182,025 B2University of Houston-Clear Lake · 2007
- Apparatus and method for an autonomous robotic system for performing activities in a well60US 7,303,010 B2Intelligent Robotic Corporation · 2007
- Expandable pipeline pig assembly40US 5,797,993 AChevron U.S.A.Inc. · 1998
- Apparatus for use in a pipeline30US 6,190,090 B1Tuboscope Pipeline Services Canada, Inc. · 2001