B08B 9/0555
Gelled or degradable pigs
Official title: {Gelled or degradable pigs}
B08B9/0555 (Gelled or degradable pigs) appears on 34 US grants and 27 published applications in this corpus.
Search patents in B08B- Granted patents
- 34
- Published applications
- 27
- Assignees
- 30
- Inventors
- 62
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 3 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 0 | 4 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method and kit for removing trapped hydrocarbons17 Oct 2023US 11,786,944 B2Italmatch Chemicals Gb Limited
- Method and apparatus for producing and storing a flowable slush, particularly for ice pigging24 May 2022US 11,340,004 B2Suez International
- Interphase mixing inhibitors for minimizing material mixing in a material processing system19 Apr 2022US 11,306,859 B2Tropicana Products, Inc.
- Methods for detecting leaks in pipelines5 Nov 2019US 10,466,134 B2Linde Aktiengesellschaft
- Inhibition of bacterial growth in pipelines9 Jul 2019US 10,344,905 B2Total E&P Danmark A/S
- Flowable slush of frozen particles for ice pigging4 Aug 2022US 2022/0241826 A1BAE SYSTEMS plc
- Method and kit for removing trapped hydrocarbons13 Jan 2022US 2022/0008967 A1Aubin Limited
- Interphase Mixing Inhibitors for Minimizing Material Mixing in a Material Processing System18 Mar 2021US 2021/0080044 A1Tropicana Products, Inc.
- Method for the removal of deposits accumulated in the pipelines of transport of gas26 Nov 2020US 2020/0368794 A1Chimec S.p.A.
- Method of purging a liquid carrying conduit24 Sep 2020US 2020/0299938 A1Alchemy Oilfield Services Ltd
Most cited
By later US patents
- Friction reducing composition and method60US 7,205,262 B2Weatherford/Lamb, Inc. · 2007
- Gel-like composition for use as a pig in a pipeline58US 4,003,393 AThe Dow Chemical Company · 1977
- Aqueous crosslinked gelled pigs for cleaning pipelines43US 4,543,131 AThe Dow Chemical Company · 1985
- System for removing debris from pipelines40US 4,416,703 AShell Oil Company · 1983
- Cleaning pipeline interior with gelled pig35US 4,473,408 AThe Dow Chemical Company · 1984