C10G 33/02
Dewatering or demulsification of hydrocarbon oils: with electrical or magnetic means
Official title: with electrical or magnetic means
C10G33/02 (Dewatering or demulsification of hydrocarbon oils: with electrical or magnetic means) appears on 235 US grants and 230 published applications in this corpus.
Search patents in C10G- Granted patents
- 235
- Published applications
- 230
- Assignees
- 105
- Inventors
- 434
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 9 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 10 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 11 |
| 2003 | 1 | 4 |
| 2004 | 8 | 10 |
| 2005 | 9 | 8 |
| 2006 | 7 | 3 |
| 2007 | 2 | 0 |
| 2008 | 2 | 4 |
| 2009 | 1 | 5 |
| 2010 | 5 | 2 |
| 2011 | 1 | 13 |
| 2012 | 2 | 7 |
| 2013 | 6 | 5 |
| 2014 | 5 | 9 |
| 2015 | 4 | 9 |
| 2016 | 10 | 19 |
| 2017 | 10 | 11 |
| 2018 | 13 | 14 |
| 2019 | 11 | 10 |
| 2020 | 13 | 20 |
| 2021 | 17 | 10 |
| 2022 | 13 | 12 |
| 2023 | 14 | 16 |
| 2024 | 13 | 11 |
| 2025 | 8 | 10 |
| 2026 | 3 | 6 |
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
- Method and system for producing refined hydrocarbons from waste plastic pyrolysis oil10 Mar 2026US 12,570,906 B2SK Geo Centric Co., Ltd.
- Method for creating crude oil synthesized fluid having surfactant and demulsification properties6 Jan 2026US 12,516,253 B2Lteoil LLC
- Special solar energy water jacket heating furnace in vacuum mode for oil field and method of heating crude oil18 Nov 2025US 12,472,445 B2Guangdong University of Technology
- Low salinity water production in crude oil processing21 Oct 2025US 12,448,575 B2Saudi Arabian Oil Company
- Inline electro-coalescer multi-treater17 Sep 2026US 2026/0275203 A1FMC Separation Systems, BV
- Oil-gas-water separation device and method for oil-gas field produced liquid30 Jul 2026US 2026/0216622 A1China Petroleum & Chemical Corporation
- Co-Processing Pyoil Through Desalter and Cracking Furnace with Integral Vapor-Liquid Separator to Generate Circular Products16 Jul 2026US 2026/0201258 A1
- Method for creating crude oil synthesized fluid having surfactant and demulsification properties14 May 2026US 2026/0132341 A1The Texas A&M University System
- Demulsification-dehydration method by using chaotic-frequency pulse group electric field5 Mar 2026US 2026/0062627 A1Chongqing Technology and Business University
Most cited
By later US patents
- Washing apparatus126US 6,691,536 B2The Procter & Gamble Company · 2004
- Use of absorbent materials to separate water from lipophilic fluid86US 6,855,173 B2The Procter & Gamble Company · 2005
- Washing apparatus56US 6,898,951 B2The Procter & Gamble Company · 2005
- Low gravity crude oil and water separator47US 4,257,895 A1981
- Separation of dispersed liquid phase from continuous fluid phase47US 4,624,765 AExxon Research & Engineering Co. · 1986