B01D 61/427
Electro-osmosis
Official title: {Electro-osmosis}
B01D61/427 (Electro-osmosis) appears on 65 US grants and 91 published applications in this corpus.
Search patents in B01D- Granted patents
- 65
- Published applications
- 91
- Assignees
- 69
- Inventors
- 188
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 4 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 5 | 4 |
| 2012 | 2 | 5 |
| 2013 | 3 | 4 |
| 2014 | 3 | 8 |
| 2015 | 6 | 5 |
| 2016 | 4 | 3 |
| 2017 | 1 | 4 |
| 2018 | 5 | 6 |
| 2019 | 6 | 5 |
| 2020 | 4 | 3 |
| 2021 | 3 | 6 |
| 2022 | 1 | 2 |
| 2023 | 1 | 9 |
| 2024 | 4 | 2 |
| 2025 | 2 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for separating a reaction product from a fluid12 May 2026US 12,624,470 B2Genesee Valley Innovations, LLC
- Electro-osmotic pump, method of manufacturing electrode, fluid pumping system using the same, and operation method thereof21 Apr 2026US 12,607,175 B2Caremedi Co., Ltd.
- System and method for solar-driven photothermal seawater desalination and ion electroosmosis power generation10 Feb 2026US 12,545,604 B2Xi' An Jiaotong University
- Ratchet-based ion pumping membrane systems20 Jan 2026US 12,528,052 B2The Regents of the University of California
- System and method for angstrom confinement of trapped ions17 Jun 2025US 12,330,118 B2
- Reverse electro-osmotic filtration exploiting nanofluidic transport through asymmetric membrane13 Aug 2026US 2026/0233166 A1
- Nanopore systems and methods for single-molecule polymer profiling1 Jan 2026US 2026/0002925 A1Rijksuniversiteit Groningen
- Nano check valve osmosis and energy collection method and device13 Nov 2025US 2025/0345751 A1Xi'an Xishizun Electromechanical Technology Co., Ltd
- Membrane-based processing for ambient water-group species captured on the Moon and in space6 Mar 2025US 2025/0073636 A1
- Drug injection device and method13 Feb 2025US 2025/0050018 A1Caremedi Co., Ltd.
Most cited
By later US patents
- Method for using magnetic particles in droplet microfluidics87US 8,093,064 B2The Regents of the University of California · 2012
- Methods for forming small-volume electrical contacts and material manipulations with fluidic microchannels59US 6,685,809 B1UT-Battelle, LLC · 2004
- Insitu bio-electrokinetic remediation of contaminated soils containing hazardous mixed wastes56US 5,458,747 AElectrokinetics, Inc. · 1995
- Method and apparatus for desalination and purification43US 8,801,910 B2Massachusetts Institute of Technology · 2014
- Process for the preferential separation of fructose from glucose37US 4,299,677 AIonics, Incorporated · 1981