B01D 61/50
Stacks of the plate-and-frame type
B01D61/50 (Stacks of the plate-and-frame type) appears on 168 US grants and 183 published applications in this corpus.
Search patents in B01D- Granted patents
- 168
- Published applications
- 183
- Assignees
- 130
- Inventors
- 399
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 8 |
| 2005 | 1 | 4 |
| 2006 | 4 | 4 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 4 | 4 |
| 2011 | 0 | 6 |
| 2012 | 3 | 16 |
| 2013 | 2 | 7 |
| 2014 | 6 | 13 |
| 2015 | 17 | 10 |
| 2016 | 16 | 6 |
| 2017 | 4 | 6 |
| 2018 | 3 | 11 |
| 2019 | 7 | 5 |
| 2020 | 6 | 8 |
| 2021 | 6 | 12 |
| 2022 | 3 | 7 |
| 2023 | 8 | 18 |
| 2024 | 9 | 7 |
| 2025 | 9 | 10 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for dual-pathway system for carbon dioxide capture from ocean water30 Jun 2026US 12,668,518 B2California Institute of Technology
- System and method for separating a reaction product from a fluid12 May 2026US 12,624,470 B2Genesee Valley Innovations, LLC
- Two-stage electrodialysis system and method for recovering waste CO2-lean amine solvent3 Mar 2026US 12,564,812 B2Zhejiang University
- Membranes and their uses6 Jan 2026US 12,515,213 B2FUJIFILM Corporation
- Method and system for preparing battery grade and high purity grade lithium hydroxide and lithium carbonate from high-impurity lithium sources11 Nov 2025US 12,466,739 B2Coli Tech Pte. Ltd.
- Electrochemical technology to purify electrocatalytic co2 and co reduction product streams from supporting electrolytes and other ionic species18 Jun 2026US 2026/0166489 A1Renewco2 Inc.
- Redox-mediated electrodialysis multi-channel membrane module system for wastewater treatment and resource recycling18 Jun 2026US 2026/0166490 A1Kongju National University Industry-University Cooperation Foundation
- Systems and methods for electrochemical extraction of a target ion18 Jun 2026US 2026/0166491 A1Vanderbilt University
- Separation of biomolecules by means of affinity chromatography11 Jun 2026US 2026/0159542 A1i3 Membrane GmbH
- Electrodialysis device and method for manufacturing same4 Jun 2026US 2026/0151737 A1Posco Holdings Inc.
Most cited
By later US patents
- Modules for electrodeionization apparatus90US 5,292,422 AIP Holding Company · 1994
- Depletion compartment for deionization apparatus and method80US 4,804,451 AMillipore Corporation · 1989
- Polarity reversal and double reversal electrodeionization apparatus and method78US 5,558,753 AU.S. Filter/Ionpure, Inc. · 1996
- Membranes77US 4,217,200 AYeda Research and Development Co. Ltd. · 1980
- Polarity reversal and double reversal electrodeionization apparatus and method76US 5,736,023 AU.S. Filter/Ionpure, Inc. · 1998