C02F 2001/427
Using mixed beds
Official title: {using mixed beds}
C02F2001/427 (Using mixed beds) appears on 127 US grants and 185 published applications in this corpus.
Search patents in C02F- Granted patents
- 127
- Published applications
- 185
- Assignees
- 94
- Inventors
- 366
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 6 |
| 2003 | 3 | 4 |
| 2004 | 3 | 0 |
| 2005 | 4 | 3 |
| 2006 | 0 | 7 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 1 | 6 |
| 2010 | 4 | 3 |
| 2011 | 3 | 7 |
| 2012 | 1 | 4 |
| 2013 | 4 | 13 |
| 2014 | 9 | 6 |
| 2015 | 6 | 15 |
| 2016 | 4 | 6 |
| 2017 | 3 | 6 |
| 2018 | 5 | 15 |
| 2019 | 8 | 7 |
| 2020 | 5 | 19 |
| 2021 | 14 | 10 |
| 2022 | 6 | 9 |
| 2023 | 8 | 10 |
| 2024 | 6 | 6 |
| 2025 | 7 | 9 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Internet-of-things enabled deionization tank configuration artificial intelligence algorithm12 May 2026US 12,623,929 B2Evoqua Water Technologies LLC
- Thermal disinfection system for a medical apparatus28 Apr 2026US 12,611,494 B2Gambro Lundia AB
- Methods for removing iodate from aqueous solutions17 Feb 2026US 12,555,696 B2The Catholic University of America
- Water production facility and method of replacing ion exchange resin30 Dec 2025US 12,509,369 B2Samsung Electronics Co., Ltd.
- Internet-of-things enabled deionization tank configuration artificial intelligence algorithm20 Aug 2026US 2026/0242253 A1Evoqua Water Technologies LLC
- Ultrapure water production apparatus, method of producing ultrapure water, method of managing operation of the ultrapure water production apparatus, and method of measuring colloidal particles13 Aug 2026US 2026/0234029 A1Nomura Micro Science Co., Ltd.
- Replacement timing prediction method for ion exchange resin in non-regenerative ion exchange device9 Jul 2026US 2026/0195718 A1Kurita Water Industries Ltd.
- Water electrolysis system and method for operating water electrolysis system11 Jun 2026US 2026/0159976 A1Mitsubishi Heavy Industries, Ltd.
- Novel regeneration of mixed bed ion exchange resins for seawater desalination14 May 2026US 2026/0132058 A1Hydric Desalination Pty Ltd
Most cited
By later US patents
- Medicament preparation and treatment devices, methods, and systems259US 10,478,544 B2NxStage Medical, Inc. · 2019
- Method and apparatus for high efficiency reverse osmosis operation122US 5,925,255 A1999
- Method and apparatus for high efficiency reverse osmosis operation101US 6,537,456 B22003
- Method and apparatus for removing oxidizable contaminants in water to achieve high purity water for industrial use84US 4,990,260 AThe Water Group, Inc. · 1991
- Mobile fluid purification system75US 4,383,920 AEcolochem, Inc. · 1983