B01D 61/54
Controlling or regulating
B01D61/54 (Controlling or regulating) appears on 97 US grants and 175 published applications in this corpus.
Search patents in B01D- Granted patents
- 97
- Published applications
- 175
- Assignees
- 106
- Inventors
- 348
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 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 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 10 |
| 2005 | 2 | 5 |
| 2006 | 3 | 4 |
| 2007 | 2 | 5 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 1 |
| 2011 | 2 | 5 |
| 2012 | 3 | 5 |
| 2013 | 2 | 6 |
| 2014 | 3 | 10 |
| 2015 | 5 | 7 |
| 2016 | 6 | 7 |
| 2017 | 4 | 6 |
| 2018 | 4 | 8 |
| 2019 | 8 | 3 |
| 2020 | 3 | 6 |
| 2021 | 2 | 14 |
| 2022 | 5 | 9 |
| 2023 | 5 | 22 |
| 2024 | 7 | 14 |
| 2025 | 11 | 12 |
| 2026 | 5 | 9 |
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
- Water softening intercalation systems5 May 2026US 12,617,699 B2Robert Bosch GmbH
- Control method for ultrapure water producing apparatus10 Mar 2026US 12,570,546 B2Kurita Water Industries Ltd.
- Electrodialysis device27 Jan 2026US 12,533,635 B2Mitsubishi Heavy Industries, Ltd.
- Time-variant, multi-stage control system20 Jan 2026US 12,528,725 B2Massachusetts Institute of Technology
- Water treatment apparatus and control method of water treatment apparatus20 Aug 2026US 2026/0242258 A1Samsung Electronics Co., Ltd.
- Energy efficient lithium chloride electrolytic process and electrolyzer plant2 Jul 2026US 2026/0185255 A1Noram Electrolysis Systems Inc.
- Bipolar membrane electrodialyzer and method for operating same4 Jun 2026US 2026/0151736 A1Kyushu University, National University Corporation
- Hybrid freshwater generation and air conditioning system21 May 2026US 2026/0138091 A1King Fahd University of Petroleum and Minerals
- Diagnostic Methods and Apparatus for Electrodialysis21 May 2026US 2026/0138092 A1TexOPCO, LLC
Most cited
By later US patents
- Automatic flushing system for membrane separation machines such as reverse osmosis machines177US 3,992,301 ARaypak, Inc. · 1976
- Water purifier99US 6,607,668 B2Technology Ventures, L.L.C. · 2003
- Water treatment system and method83US 7,083,733 B2USFilter Corporation · 2006
- Electrodeionization process46US 6,365,023 B1Millipore Corporation · 2002
- Electrodeionization system38US 6,391,178 B1Millipore Corporation · 2002