B01J 47/08
Subjected to a direct electric current
Official title: subjected to a direct electric current
B01J47/08 (Subjected to a direct electric current) appears on 210 US grants and 102 published applications in this corpus.
Search patents in B01J- Granted patents
- 210
- Published applications
- 102
- Assignees
- 91
- Inventors
- 280
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 15 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 21 | 1 |
| 2002 | 14 | 10 |
| 2003 | 7 | 12 |
| 2004 | 7 | 14 |
| 2005 | 3 | 12 |
| 2006 | 8 | 18 |
| 2007 | 8 | 8 |
| 2008 | 3 | 5 |
| 2009 | 9 | 3 |
| 2010 | 9 | 0 |
| 2011 | 4 | 4 |
| 2012 | 5 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual-membrane on-line generator for acid or alkali solution28 Nov 2023US 11,827,990 B2East China University of Science and Technology
- Composition for electrode of capacitive deionization apparatus, and electrode including same26 Sep 2017US 9,771,282 B2Samsung Electronics Co., Ltd.
- Ion exchanger, water treatment device provided with same, and hot water supply device11 Jul 2017US 9,701,547 B2Panasonic Intellectual Property Management Co., Ltd.
- Mobile water treatment and resin transfer hub14 Mar 2017US 9,593,029 B2General Electric Company
- Regenerable filter unit, regenerable filter system including the same, and method of operating regenerable filter system7 Jun 2016US 9,359,226 B2Samsung Electronics Co., Ltd.
- Cartridge with integrated power supply for electrochemical water treatment7 Aug 2025US 2025/0250184 A1PowerTech Water, Inc.
- Regeneratable system for contaminant removal20 Jul 2023US 2023/0227331 A1Ionic Water Technologies, Inc.
- Polymeric compound, cartridge, device and method for capturing ni(ii) ions19 Jan 2023US 2023/0015254 A1Centre National De La Recherche Scientifique
- Ion-Exchange Apparatus24 Nov 2022US 2022/0371923 A1Kabushiki Kaisha F.C.C.
- Ion-Exchange Apparatus10 Nov 2022US 2022/0356083 A1Kabushiki Kaisha F.C.C.
Most cited
By later US patents
- Electrodeionization apparatus202US 4,632,745 AMillipore Corporation · 1986
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack155US 5,066,375 AIonics, Incorporated · 1991
- Process and apparatus for treatment of fluids, particularly demineralization of aqueous solutions146US 4,687,561 A1987
- Process and apparatus for treatment of fluids, particularly desalinization of aqueous solutions140US 4,636,296 A1987