B01D 61/425
Electro-ultrafiltration
Official title: {Electro-ultrafiltration}
B01D61/425 (Electro-ultrafiltration) appears on 42 US grants and 41 published applications in this corpus.
Search patents in B01D- Granted patents
- 42
- Published applications
- 41
- Assignees
- 41
- Inventors
- 116
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 4 | 3 |
| 2007 | 2 | 4 |
| 2008 | 0 | 8 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 5 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Water deionization cells14 Jan 2025US 12,195,366 B2Robert Bosch GmbH
- System and method for electrically conductive membrane separation9 Jul 2024US 12,030,018 B2SiTration, Inc.
- Filtration device, and filtration system7 May 2024US 11,975,277 B2Mitsubishi Kakoki Kaisha, Ltd.
- Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof29 Aug 2023US 11,739,009 B2Tianjin Polytechnic University
- Method for separating charged biologically active substances from liquids and the recovery thereof8 Jun 2021US 11,027,238 B2i3 Membrane GmbH
- Water filtration membranes and systems28 Aug 2025US 2025/0270118 A1Khalifa University of Science and Technology
- System and method for electrically conductive membrane separation19 Sep 2024US 2024/0307826 A1SiTration, Inc.
- Filtration device, and filtration system21 Sep 2023US 2023/0294023 A1Mitsubishi Kakoki Kaisha, Ltd.
- Water deionization cells16 Feb 2023US 2023/0048716 A1Robert Bosch GmbH
- System and method for electrically conductive membrane separation22 Dec 2022US 2022/0401882 A1SiTration, Inc.
Most cited
By later US patents
- Removal of metabolic components from blood101US 7,066,900 B2Life Therapeutics Limited · 2006
- Apparatus and method for separating particles85US 5,080,770 A1992
- Valve for controlling flow of a fluid43US 7,217,351 B2Beta Micropump Partners LLC · 2007
- Method and apparatus for desalination and purification43US 8,801,910 B2Massachusetts Institute of Technology · 2014
- Microdialysis/Microelectrodialysis system38US 5,733,442 A1998