B01D 2311/246
Concentration control
B01D2311/246 (Concentration control) appears on 106 US grants and 171 published applications in this corpus.
Search patents in B01D- Granted patents
- 106
- Published applications
- 171
- Assignees
- 108
- Inventors
- 362
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 6 |
| 2010 | 1 | 3 |
| 2011 | 4 | 11 |
| 2012 | 3 | 2 |
| 2013 | 6 | 10 |
| 2014 | 1 | 7 |
| 2015 | 3 | 4 |
| 2016 | 8 | 11 |
| 2017 | 2 | 12 |
| 2018 | 6 | 11 |
| 2019 | 10 | 12 |
| 2020 | 9 | 14 |
| 2021 | 11 | 14 |
| 2022 | 11 | 12 |
| 2023 | 9 | 15 |
| 2024 | 6 | 8 |
| 2025 | 12 | 10 |
| 2026 | 2 | 5 |
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
- Method for controlling water purification, and a water purification apparatus13 Jan 2026US 12,521,677 B2Baxter Healthcare S. A.
- Electrochemical water deionization separators23 Dec 2025US 12,503,380 B2Robert Bosch GmbH
- Multi-stage filtration system for fuel cell hybrid propulsion system4 Nov 2025US 12,458,913 B2Cummins Inc.
- Hot water cart conditioning system and method12 Aug 2025US 12,383,869 B2Evoqua Water Technologies LLC
- Manufacturing method with feedback control24 Sep 2026US 2026/0286269 A1Chr. Hansen A/S
- Method for Increasing Reverse Osmosis Recovery for High Silica Waters27 Aug 2026US 2026/0250161 A1Veolia Water Solutions & Technologies Support
- Multi-stage reverse osmosis membrane treatment system11 Jun 2026US 2026/0158446 A1Kurita Water Industries Ltd.
- Method for controlling water purification21 May 2026US 2026/0138090 A1Baxter Healthcare S. A.
- Multi-stage filtration system5 Feb 2026US 2026/0034484 A1Cummins Inc.
Most cited
By later US patents
- System and method for delivery of regional citrate anticoagulation to extracorporeal blood circuits58US 8,211,048 B2Henry Ford Health System · 2012
- Method for purifying liquids26US 9,206,060 B12015
- Continuous ambulatory hemofiltration device19US 8,419,944 B22013
- Scale detection device and method for concentrating device, and water reclamation processing treatment system17US 10,407,331 B2Mitsubishi Heavy Industries Engineering, Ltd. · 2019
- Multimodal dialysis system14US 9,132,217 B2Medtronic, Inc. · 2015