B01D 2325/26
Electrical properties
B01D2325/26 (Electrical properties) appears on 344 US grants and 431 published applications in this corpus.
Search patents in B01D- Granted patents
- 344
- Published applications
- 431
- Assignees
- 298
- Inventors
- 1,117
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 14 | 4 |
| 2002 | 10 | 14 |
| 2003 | 9 | 12 |
| 2004 | 6 | 20 |
| 2005 | 5 | 22 |
| 2006 | 13 | 25 |
| 2007 | 8 | 28 |
| 2008 | 10 | 10 |
| 2009 | 13 | 20 |
| 2010 | 13 | 20 |
| 2011 | 13 | 16 |
| 2012 | 10 | 17 |
| 2013 | 12 | 11 |
| 2014 | 14 | 6 |
| 2015 | 7 | 17 |
| 2016 | 9 | 12 |
| 2017 | 16 | 14 |
| 2018 | 9 | 13 |
| 2019 | 11 | 18 |
| 2020 | 12 | 22 |
| 2021 | 13 | 18 |
| 2022 | 15 | 29 |
| 2023 | 12 | 15 |
| 2024 | 11 | 23 |
| 2025 | 11 | 16 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances29 Sep 2026US 12,747,172 B2Evoqua Water Technologies LLC
- Method of preparing reverse osmosis membrane with charged hydrogel and polyamide double network8 Sep 2026US 12,728,388 B2
- Cation exchange membrane and method for producing same1 Sep 2026US 12,722,125 B2Astom Corporation
- Device and method for separating particles in a liquid, kit containing the device, and applications of the device1 Sep 2026US 12,722,126 B2Cell.Copedia GmbH
- Preparation of metallocene containing cationic polymers for anion exchange applications28 Jul 2026US 12,691,419 B2University of South Carolina
- Conductive forward osmosis membrane and preparation method thereof8 Oct 2026US 2026/0307018 A1Beijing Baoshengtong International Electrical Engineering Technology Co., Ltd.
- Conductive hollow fiber membrane and preparation method thereof and membrane assembly24 Sep 2026US 2026/0284601 A1Cangzhou Institute of Tiangong University
- Conductive base membrane and preparation method thereof24 Sep 2026US 2026/0284606 A1Beijing Baoshengtong International Electrical Engineering Technology Co., Ltd.
- Preparation method of nh2-uio-66 encapsulated sulfamic acid and use thereof23 Jul 2026US 2026/0208119 A1China Three Gorges University
- Membrane for a vibrating mesh module9 Jul 2026US 2026/0192060 A1Philip Morris Products S. A.
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Process to form mesostructured films157US 5,858,457 ASandia Corporation · 1999
- Composite mixed conductor membranes for producing oxygen121US 5,240,480 AAir Products and Chemicals, Inc. · 1993
- Multilayer high vertical aspect ratio thin film structures119US 5,645,684 AThe Regents of the University of California · 1997
- Hydrogen-permeable composite metal membrane114US 5,139,541 ABend Research, Inc. · 1992