B01D 17/06
Separation of liquids from each other by electricity
B01D17/06 (Separation of liquids from each other by electricity) appears on 415 US grants and 330 published applications in this corpus.
Search patents in B01D- Granted patents
- 415
- Published applications
- 330
- Assignees
- 211
- Inventors
- 792
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 17 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 6 |
| 2003 | 2 | 13 |
| 2004 | 10 | 11 |
| 2005 | 7 | 10 |
| 2006 | 6 | 7 |
| 2007 | 8 | 10 |
| 2008 | 6 | 5 |
| 2009 | 6 | 7 |
| 2010 | 5 | 8 |
| 2011 | 4 | 9 |
| 2012 | 4 | 9 |
| 2013 | 6 | 8 |
| 2014 | 6 | 7 |
| 2015 | 9 | 16 |
| 2016 | 8 | 25 |
| 2017 | 20 | 26 |
| 2018 | 13 | 16 |
| 2019 | 17 | 17 |
| 2020 | 21 | 33 |
| 2021 | 25 | 20 |
| 2022 | 16 | 14 |
| 2023 | 24 | 20 |
| 2024 | 16 | 16 |
| 2025 | 10 | 11 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous and rapid perpetual electrostatic coalescence phase separation and demulsification of oil, water, and solids using plasma at standard conditions1 Sep 2026US 12,722,102 B2Lteoil LLC
- Electrostatic free water knockout for high water cut emulsions27 Jan 2026US 12,533,680 B1Cameron International Corporation
- Method and device for refining waste plastic pyrolysis oil14 Oct 2025US 12,441,944 B2SK Geo Centric Co., Ltd.
- Power unit phase angle for separation unit control30 Sep 2025US 12,427,441 B2Cameron International Corporation
- Treatment of hydrocarbon-contaminated materials29 Jul 2025US 12,370,586 B2
- Method for plasma treatment of a mixture of at least two liquid phases for the separation of the two liquid phases of the mixture13 Aug 2026US 2026/0234035 A1
- Oil-gas-water separation device and method for oil-gas field produced liquid30 Jul 2026US 2026/0216622 A1China Petroleum & Chemical Corporation
- Mineral recovery from concentrated brines30 Apr 2026US 2026/0115628 A1The Texas A&M University System
- Susceptor heat induction for water-oil separation26 Mar 2026US 2026/0084078 A1Saudi Arabian Oil Company
- Enhanced fuel water separation using structural embossing5 Feb 2026US 2026/0034481 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Multilevel flow structures194US 6,623,860 B2Aclara Biosciences, Inc. · 2003
- Electrode structures for electric treatment of fluids and filters using same119US 3,980,541 A1976
- Electric field-driven, magnetically-stabilized ferro-emulsion phase contactor87US 4,941,959 AMartin Marietta Energy Systems, Inc. · 1990
- Separating constituents of a mixture of particles71US 4,874,507 A1989
- Method for enrichment of fetal cell population from maternal whole blood samples69US 5,676,849 ABioSeparations, Inc. · 1997