B08B 9/055
The cleaning devices conforming to, or being conformable to, substantially the same
Official title: the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, {e.g. pigs or moles (pigs or moles per se F16L55/26; their launching and detection F16L55/46; separating pigs in pipelines F17D3/00)}
B08B9/055 (The cleaning devices conforming to, or being conformable to, substantially the same) appears on 545 US grants and 409 published applications in this corpus.
Search patents in B08B- Granted patents
- 545
- Published applications
- 409
- Assignees
- 288
- Inventors
- 912
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 11 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 7 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 11 | 4 |
| 2002 | 13 | 14 |
| 2003 | 16 | 11 |
| 2004 | 7 | 8 |
| 2005 | 10 | 12 |
| 2006 | 5 | 15 |
| 2007 | 4 | 14 |
| 2008 | 8 | 15 |
| 2009 | 9 | 15 |
| 2010 | 12 | 18 |
| 2011 | 21 | 19 |
| 2012 | 10 | 19 |
| 2013 | 10 | 17 |
| 2014 | 23 | 18 |
| 2015 | 13 | 10 |
| 2016 | 12 | 24 |
| 2017 | 22 | 20 |
| 2018 | 11 | 22 |
| 2019 | 17 | 15 |
| 2020 | 20 | 22 |
| 2021 | 16 | 25 |
| 2022 | 16 | 29 |
| 2023 | 18 | 16 |
| 2024 | 18 | 11 |
| 2025 | 16 | 12 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleaning module for a pipeline inspection gauge16 Jun 2026US 12,655,928 B2Entegra LLP
- Clean head, system and method for use in cleaning a fluid conduit14 Apr 2026US 12,599,941 B2Paradigm Flow Services Limited
- Internal pipe float device14 Apr 2026US 12,601,442 B1
- Lubricating shuttle31 Mar 2026US 12,589,208 B2Sanofi Winthrop Industrie
- Jetting-based pipeline scraper10 Feb 2026US 12,546,429 B2Saudi Arabian Oil Company
- Nozzle System with Interchangeable Inserts for Cleaning Conduits25 Jun 2026US 2026/0175236 A1Ultra Clean Technologies, Corp.
- 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
- Velocity control tow pig26 Mar 2026US 2026/0085781 A1Spartan Technology Development Corporation
- Pipe cleaning device using rotating brush25 Dec 2025US 2025/0387814 A1Research & Business Foundation Sungkyunkwan University
Most cited
By later US patents
- Cable crawling underwater inspection and cleaning robot120US 5,203,646 ACornell Research Foundation, Inc. · 1993
- Method for remotely launching subsea pigs in response to wellhead pressure change97US 6,022,421 ASonsub International Ltd. · 2000
- Apparatus for transporting equipment through a conduit71US 4,558,751 AExxon Production Research Company · 1985
- Method for reducing hydrocarbon emissions62US 7,749,308 B22010
- Friction reducing composition and method60US 7,205,262 B2Weatherford/Lamb, Inc. · 2007