B01D 61/423
Comprising multiple electrodialysis steps
Official title: {comprising multiple electrodialysis steps}
B01D61/423 (Comprising multiple electrodialysis steps) appears on 82 US grants and 99 published applications in this corpus.
Search patents in B01D- Granted patents
- 82
- Published applications
- 99
- Assignees
- 70
- Inventors
- 210
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 7 |
| 2013 | 1 | 0 |
| 2014 | 2 | 4 |
| 2015 | 8 | 4 |
| 2016 | 3 | 4 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 8 |
| 2020 | 5 | 3 |
| 2021 | 7 | 13 |
| 2022 | 3 | 9 |
| 2023 | 5 | 11 |
| 2024 | 7 | 5 |
| 2025 | 5 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High recovery electrodialysis method16 Jun 2026US 12,655,046 B2Evoqua Water Technologies LLC
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof21 Apr 2026US 12,606,456 B2Nemaska Lithium Inc.
- Method and system for capturing carbon dioxide from the air17 Mar 2026US 12,576,360 B2Axiom Angewandte Prozesstechnik Ges.M.B.H.
- Method for recovering active metal of lithium secondary battery10 Feb 2026US 12,545,974 B2SK Innovation Co., Ltd.
- Carbon dioxide electrolytic device and method of controlling carbon dioxide electrolytic device10 Feb 2026US 12,546,017 B2Kabushiki Kaisha Toshiba
- Electrodialyzer and Electrodialysis System for CO2 Capture from Ocean Water17 Sep 2026US 2026/0274718 A1California Institute of Technology
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof13 Aug 2026US 2026/0234024 A1Nemaska Lithium Inc.
- Amino acid analysis system and amino acid analysis method9 Jul 2026US 2026/0194497 A1National University Corporation Kumamoto University
- Electrochemical technology to purify electrocatalytic co2 and co reduction product streams from supporting electrolytes and other ionic species18 Jun 2026US 2026/0166489 A1Renewco2 Inc.
- Electrochemical metallurgical slag recycling14 May 2026US 2026/0132484 A1Electrasteel, Inc.
Most cited
By later US patents
- Electrodialysis including filled cell electrodialysis (electrodeionization)72US 5,503,729 AIonics, Incorporated · 1996
- Apparatus and process for electrodialysis of salts67US 6,221,225 B1Archer Daniels Midland Company · 2001
- Water desalination process and apparatus67US 7,459,088 B2University of South Carolina · 2008
- Integrated electro-pressure membrane deionization system64US 7,501,064 B2EET Corporation · 2009
- Electrodialysis including filled cell electrodialysis (electrodeionization)62US 5,814,197 AIonics, Incorporated · 1998