B03C 11/00
Separation by high-voltage electrical fields, not provided for in other groups of
Official title: Separation by high-voltage electrical fields, not provided for in other groups of this subclass
B03C11/00 (Separation by high-voltage electrical fields, not provided for in other groups of) appears on 157 US grants and 150 published applications in this corpus.
Search patents in B03C- Granted patents
- 157
- Published applications
- 150
- Assignees
- 80
- Inventors
- 296
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 4 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 8 |
| 2010 | 1 | 3 |
| 2011 | 3 | 8 |
| 2012 | 2 | 8 |
| 2013 | 8 | 5 |
| 2014 | 3 | 7 |
| 2015 | 5 | 8 |
| 2016 | 4 | 13 |
| 2017 | 5 | 11 |
| 2018 | 10 | 7 |
| 2019 | 7 | 10 |
| 2020 | 10 | 12 |
| 2021 | 12 | 8 |
| 2022 | 8 | 9 |
| 2023 | 12 | 9 |
| 2024 | 6 | 2 |
| 2025 | 2 | 5 |
| 2026 | 3 | 1 |
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
- Methods and equipment for treatment of odorous gas streams13 Jan 2026US 12,521,675 B2
- Power unit phase angle for separation unit control30 Sep 2025US 12,427,441 B2Cameron International Corporation
- Bi-phase (Scott-T) transformer double voltage AC electrostatic coalescer25 Mar 2025US 12,257,531 B2Saudi Arabian Oil Company
- 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
- Separation method for recycling a spent battery electrode6 Mar 2025US 2025/0079545 A1
- Method for protecting coalescer elements of an electrostatic coalescer device against electrically induced erosion and/or partial discharges20 Feb 2025US 2025/0058331 A1Sulzer Management AG
- Interdigitated electrode-based droplet manipulation in microfluidic systems13 Feb 2025US 2025/0050353 A1The Texas A&M University System
- Emulsion detection in electrical separators6 Feb 2025US 2025/0041763 A1Cameron International Corporation
Most cited
By later US patents
- Low gravity crude oil and water separator47US 4,257,895 A1981
- Dual frequency electrostatic coalescence40US 6,860,979 B2National Tank Company · 2005
- Fluid processor apparatus and method38US 4,238,326 A1980
- System for separating entrained liquid from a gas stream using a sloped vessel35US 6,709,500 B1National Tank Company · 2004
- Distributed charge composition electrodes and desalting system33US 4,702,815 ANational Tank Company · 1987