F16L 55/48
Indicating the position of the pig or mole in the pipe or
Official title: Indicating the position of the pig or mole in the pipe or conduit
F16L55/48 (Indicating the position of the pig or mole in the pipe or) appears on 211 US grants and 264 published applications in this corpus.
Search patents in F16L- Granted patents
- 211
- Published applications
- 264
- Assignees
- 140
- Inventors
- 532
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 5 |
| 2006 | 3 | 2 |
| 2007 | 3 | 2 |
| 2008 | 2 | 6 |
| 2009 | 0 | 7 |
| 2010 | 2 | 4 |
| 2011 | 3 | 7 |
| 2012 | 5 | 5 |
| 2013 | 4 | 4 |
| 2014 | 2 | 5 |
| 2015 | 7 | 4 |
| 2016 | 4 | 8 |
| 2017 | 5 | 7 |
| 2018 | 6 | 21 |
| 2019 | 8 | 10 |
| 2020 | 11 | 27 |
| 2021 | 17 | 17 |
| 2022 | 19 | 24 |
| 2023 | 26 | 17 |
| 2024 | 21 | 31 |
| 2025 | 21 | 35 |
| 2026 | 11 | 8 |
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
- Control system and methods for adjusting traction of a pipe navigation apparatus28 Jul 2026US 12,692,968 B2GE Infrastructure Technology LLC
- Odometer and inspection and/or cleaning device23 Jun 2026US 12,663,292 B2Rosen IP AG
- Method and system for mapping and inspecting live fluid pipes9 Jun 2026US 12,650,195 B2Reduct NV
- Method and internet of things system for liquid accumulation supervision in smart gas pipelines17 Sep 2026US 2026/0276159 A1Chengdu Qinchuan Iot Technology Co., 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.
- System and method of mapping a duct16 Jul 2026US 2026/0202637 A1Condux International, Inc.
- System for determining conditions within a pipeline2 Jul 2026US 2026/0185645 A1Saudi Arabian Oil Company
- Method for operating a working apparatus in a pipeline, and working apparatus25 Jun 2026US 2026/0177184 A1
Most cited
By later US patents
- Intrapipe work robot apparatus and method of measuring position of intrapipe work robot128US 5,736,821 ATokyo Gas Co., Ltd. · 1998
- Controller for inspection robot traversing an obstacle87US 11,148,292 B2Gecko Robotics, Inc. · 2021
- Portable and collapsible pipe crawler83US 4,654,702 AWestinghouse Electric Corp. · 1987
- Apparatus and method for accurate pipeline surveying81US 6,553,322 B1Honeywell International Inc. · 2003
- System, method, and apparatus to perform a surface inspection using real-time position information71US 10,481,608 B2Gecko Robotics, Inc. · 2019