B01D 17/047
With separation aids
Official title: {with separation aids}
B01D17/047 (With separation aids) appears on 875 US grants and 556 published applications in this corpus.
Search patents in B01D- Granted patents
- 875
- Published applications
- 556
- Assignees
- 445
- Inventors
- 1,774
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 13 | 0 |
| 1978 | 10 | 0 |
| 1979 | 12 | 0 |
| 1980 | 13 | 0 |
| 1981 | 11 | 0 |
| 1982 | 20 | 0 |
| 1983 | 30 | 0 |
| 1984 | 24 | 0 |
| 1985 | 22 | 0 |
| 1986 | 18 | 0 |
| 1987 | 14 | 0 |
| 1988 | 21 | 0 |
| 1989 | 27 | 0 |
| 1990 | 15 | 0 |
| 1991 | 18 | 0 |
| 1992 | 20 | 0 |
| 1993 | 19 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 13 | 0 |
| 1997 | 25 | 0 |
| 1998 | 23 | 0 |
| 1999 | 23 | 0 |
| 2000 | 26 | 0 |
| 2001 | 15 | 3 |
| 2002 | 13 | 14 |
| 2003 | 12 | 11 |
| 2004 | 5 | 15 |
| 2005 | 9 | 13 |
| 2006 | 9 | 13 |
| 2007 | 8 | 12 |
| 2008 | 6 | 12 |
| 2009 | 13 | 24 |
| 2010 | 10 | 13 |
| 2011 | 10 | 19 |
| 2012 | 10 | 18 |
| 2013 | 15 | 19 |
| 2014 | 15 | 27 |
| 2015 | 10 | 28 |
| 2016 | 14 | 28 |
| 2017 | 29 | 34 |
| 2018 | 33 | 27 |
| 2019 | 31 | 29 |
| 2020 | 15 | 36 |
| 2021 | 38 | 32 |
| 2022 | 29 | 40 |
| 2023 | 20 | 34 |
| 2024 | 23 | 20 |
| 2025 | 20 | 24 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Compositions and methods for breaking foams and emulsions11 Aug 2026US 12,703,822 B2Chevron U.S.A.Inc.
- Shipping container-mountable system for making bio-sourced oil dielectric fluids19 May 2026US 12,629,642 B2Cargill, Incorporated
- Oil purification filter5 May 2026US 12,616,925 B2Skf Recondoil AB
- Anionic switchable hydrophilicity solvents21 Apr 2026US 12,605,653 B2Queen's University at Kingston
- Devices, systems, and methods to manage an emulsion in a fluid collection and transportation system8 Oct 2026US 2026/0306969 A1Schlumberger Technology Corporation
- Binary polyethyleneimine emulsion breaker compositions for ethylene plant quench water systems24 Sep 2026US 2026/0285785 A1Ecolab USA Inc.
- Systems and techniques for controlling fouling solids when extracting oleaginous material using an alcohol6 Aug 2026US 2026/0226366 A1Crown Iron Works Company
- Storm water oil recovery system23 Jul 2026US 2026/0208072 A1Saudi Arabian Oil Company
- Demulsifier compositions comprising copolymers, methods of producing and using the same23 Jul 2026US 2026/0209421 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Dense star polymers having core, core branches, terminal groups293US 4,507,466 AThe Dow Chemical Company · 1985
- Dense star polymers having two dimensional molecular diameter280US 4,587,329 AThe Dow Chemical Company · 1986
- Dense star polymers and dendrimers260US 4,568,737 AThe Dow Chemical Company · 1986
- Dense star polymer227US 4,558,120 AThe Dow Chemical Company · 1985
- Hydrolytically-stable dense star polyamine191US 4,631,337 AThe Dow Chemical Company · 1986