B01D 17/02
Separation of non-miscible liquids
B01D17/02 (Separation of non-miscible liquids) appears on 4,596 US grants and 3,274 published applications in this corpus.
Search patents in B01D- Granted patents
- 4,596
- Published applications
- 3,274
- Assignees
- 2,185
- Inventors
- 8,211
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 62 | 0 |
| 1977 | 69 | 0 |
| 1978 | 73 | 0 |
| 1979 | 49 | 0 |
| 1980 | 59 | 0 |
| 1981 | 59 | 0 |
| 1982 | 58 | 0 |
| 1983 | 63 | 0 |
| 1984 | 65 | 0 |
| 1985 | 70 | 0 |
| 1986 | 67 | 0 |
| 1987 | 58 | 0 |
| 1988 | 62 | 0 |
| 1989 | 95 | 0 |
| 1990 | 72 | 0 |
| 1991 | 94 | 0 |
| 1992 | 118 | 0 |
| 1993 | 100 | 0 |
| 1994 | 72 | 0 |
| 1995 | 77 | 0 |
| 1996 | 83 | 0 |
| 1997 | 95 | 0 |
| 1998 | 102 | 0 |
| 1999 | 110 | 0 |
| 2000 | 122 | 0 |
| 2001 | 101 | 29 |
| 2002 | 88 | 87 |
| 2003 | 81 | 99 |
| 2004 | 71 | 98 |
| 2005 | 67 | 98 |
| 2006 | 68 | 84 |
| 2007 | 61 | 76 |
| 2008 | 55 | 77 |
| 2009 | 56 | 95 |
| 2010 | 56 | 90 |
| 2011 | 51 | 109 |
| 2012 | 83 | 99 |
| 2013 | 83 | 136 |
| 2014 | 98 | 141 |
| 2015 | 86 | 162 |
| 2016 | 111 | 175 |
| 2017 | 160 | 206 |
| 2018 | 148 | 203 |
| 2019 | 179 | 181 |
| 2020 | 167 | 195 |
| 2021 | 199 | 189 |
| 2022 | 143 | 185 |
| 2023 | 138 | 165 |
| 2024 | 126 | 102 |
| 2025 | 110 | 118 |
| 2026 | 56 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-performance fabric for water/diesel separating filters22 Sep 2026US 12,741,236 B2Saati S.P.A.
- Removal device15 Sep 2026US 12,734,466 B2Aalberts hfc B.V.
- Separation and recovery device, separation and recovery method, development system, and developer recycling method15 Sep 2026US 12,736,883 B2Asahi Kasei Kabushiki Kaisha
- Water oil separator vessel with hydrophobic mesh tubes8 Sep 2026US 12,728,369 B2Saudi Arabian Oil Company
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Devices, systems, and methods to manage an emulsion in a fluid collection and transportation system8 Oct 2026US 2026/0306969 A1Schlumberger Technology Corporation
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Oil separator structure for blow-by gas recirculation system, and vehicle1 Oct 2026US 2026/0295464 A1Isuzu Motors Limited
- Adjustable spacing coalescing media plate for oil/water separation1 Oct 2026US 2026/0295465 A1Park Environmental Equipment, LLC
- Coalescing plate stack supports1 Oct 2026US 2026/0295466 A1Park Environmental Equipment, LLC
Most cited
By later US patents
- Liquid transport member for high flux rates between two port regions357US 6,811,842 B1The Procter & Gamble Company · 2004
- 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
- Apparatus and method for separating particles from a cyclonic fluid flow270US 6,251,296 B1G. B. D. Corp. · 2001
- Dense star polymers and dendrimers260US 4,568,737 AThe Dow Chemical Company · 1986