B08B 9/0557
Pigs with rings shaped cleaning members
Official title: {Pigs with rings shaped cleaning members, e.g. cup shaped pigs}
B08B9/0557 (Pigs with rings shaped cleaning members) appears on 122 US grants and 91 published applications in this corpus.
Search patents in B08B- Granted patents
- 122
- Published applications
- 91
- Assignees
- 69
- Inventors
- 209
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 6 |
| 2011 | 5 | 2 |
| 2012 | 3 | 6 |
| 2013 | 3 | 3 |
| 2014 | 4 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 7 |
| 2017 | 2 | 4 |
| 2018 | 2 | 6 |
| 2019 | 3 | 4 |
| 2020 | 10 | 4 |
| 2021 | 5 | 9 |
| 2022 | 3 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 4 |
| 2025 | 6 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Lubricating shuttle31 Mar 2026US 12,589,208 B2Sanofi Winthrop Industrie
- Pipe pigging system for cleaning and controlling speed of pig2 Dec 2025US 12,485,463 B2Techwin Co., Ltd.
- Pig including an X-ray fluorescence sensor28 Oct 2025US 12,455,251 B2Rosen IP AG
- Method for operating a working apparatus in a pipeline, and working apparatus25 Jun 2026US 2026/0177184 A1
- Pipeline scale removal25 Dec 2025US 2025/0389367 A1Saudi Arabian Oil Company
- Pipeline pig with pressure-equalizing transmitter cavity system20 Feb 2025US 2025/0060064 A1TDW Delaware, Inc.
- A Lubricating Shuttle6 Feb 2025US 2025/0041523 A1Sanofi Winthrop Industrie
- A Lubricating Shuttle30 Jan 2025US 2025/0035261 A1
Most cited
By later US patents
- Ice transportation system and method57US 5,993,117 ASerVend International, Inc. · 1999
- Pipeline pig51US 4,069,535 A1978
- Condenser tube cleaning plug44US 3,939,519 A1976
- Expandable pipeline pig assembly40US 5,797,993 AChevron U.S.A.Inc. · 1998
- Multisize bidirectional scraping device39US 6,276,017 B1Petroleo Brasileiro S.A. - Petrobras · 2001