F17D 3/08
The different products being separated by "go-devils"
Official title: the different products being separated by "go-devils", e.g. spheres (cleaning devices moved along inside a pipe-lines by fluid pressure B08B9/04; {pigs or moles per se, their launching and detection F16L55/26})
F17D3/08 (The different products being separated by "go-devils") appears on 29 US grants and 30 published applications in this corpus.
Search patents in F17D- Granted patents
- 29
- Published applications
- 30
- Assignees
- 28
- Inventors
- 61
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for tracking a pig18 Nov 2025US 12,474,009 B2Cokebusters Ltd.
- Hydrocarbon production field layout3 Jan 2023US 11,542,790 B2Vetco Gray Scandinavia.AS
- Hydrogen transport, distribution and storage system, method and apparatus13 Sep 2022US 11,441,737 B2H2 Clipper, Inc.
- Interphase mixing inhibitors for minimizing material mixing in a material processing system19 Apr 2022US 11,306,859 B2Tropicana Products, Inc.
- Hydrogen transport, distribution and storage system, method and apparatus1 Feb 2022US 11,236,864 B1H2 Clipper, Inc.
- An apparatus for tracking a pig29 Feb 2024US 2024/0068614 A1Cokebusters Ltd.
- Apparatus17 Nov 2022US 2022/0364670 A1
- Hydrogen transport, distribution and storage system, method and apparatus29 Sep 2022US 2022/0307652 A1H2 Clipper, Inc.
- Hydrogen transport, distribution and storage system, method and apparatus12 May 2022US 2022/0146048 A1H2 Clipper, Inc.
- A hydrocarbon production field layout5 Aug 2021US 2021/0238963 A1Vetco Gray Scandinavia.AS
Most cited
By later US patents
- Friction reducing composition and method60US 7,205,262 B2Weatherford/Lamb, Inc. · 2007
- Expandable pipeline pig assembly40US 5,797,993 AChevron U.S.A.Inc. · 1998
- Crawler for inspecting pipes28US 7,594,448 B2Fabtec Solutions, LLC · 2009
- Pig detector24US 4,491,018 AF. H. Maloney Company · 1985
- Monitoring of conduits22US 9,453,821 B2Optasense Holdings Limited · 2016