B01J 49/60
Cleaning or rinsing ion-exchange beds
B01J49/60 (Cleaning or rinsing ion-exchange beds) appears on 143 US grants and 153 published applications in this corpus.
Search patents in B01J- Granted patents
- 143
- Published applications
- 153
- Assignees
- 130
- Inventors
- 400
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 4 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 4 | 7 |
| 2010 | 5 | 3 |
| 2011 | 1 | 7 |
| 2012 | 2 | 8 |
| 2013 | 3 | 7 |
| 2014 | 7 | 5 |
| 2015 | 4 | 4 |
| 2016 | 2 | 9 |
| 2017 | 6 | 0 |
| 2018 | 9 | 9 |
| 2019 | 7 | 9 |
| 2020 | 10 | 7 |
| 2021 | 6 | 11 |
| 2022 | 5 | 12 |
| 2023 | 2 | 7 |
| 2024 | 11 | 11 |
| 2025 | 14 | 8 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin for removing phosphorus from water body, and preparation method therefor and application thereof25 Aug 2026US 12,715,791 B2Sunresin New Materials Co. Ltd.
- Continuous ion exchange processes for separating rare earth elements16 Jun 2026US 12,655,499 B2
- Method for versatile ion-exchange extraction of lithium from natural or technological lithium-containing brine by using a lithium-selective inorganic sorbent2 Dec 2025US 12,486,556 B2
- Method and system for removing contaminants from soil25 Nov 2025US 12,479,016 B2Brice Environmental Services Corporation
- Lithium-sodium separation method18 Nov 2025US 12,473,612 B2Sunresin New Materials Co. Ltd.
- Regeneration of anion exchange resins1 Oct 2026US 2026/0295573 A1
- Method for separating and regenerating anion exchange resin and cation exchange resin of mixed ion exchange resin20 Aug 2026US 2026/0241378 A1Kurita Water Industries Ltd.
- Enabling internet of things (iot) capabilities in legacy water treatment systems12 Mar 2026US 2026/0070811 A1Evoqua Water Technologies LLC
- Continuous Ion Exchange Processes for Separating Rare Earth Elements12 Mar 2026US 2026/0071298 A1
- Method for producing cation exchange resin and method for refining organic acid solution12 Feb 2026US 2026/0042089 A1Organo Corporation
Most cited
By later US patents
- Method for defouling electrodeionization apparatus61US 4,753,681 AMillipore Corporation · 1988
- Process employing thermally sterilizable aqueous polishing agents51US 5,518,626 AUnited Technologies Corporation · 1996
- Method of removing foulants from ion exchange resins44US 4,153,761 AThe United States of America as represented by the Secretary of the Army · 1979
- Apparatus for producing ultra-pure water by ion exchange resin43US 4,698,153 AHitachi, Ltd. · 1987
- Low metal, low water biomass-derived pyrolysis oils and methods for producing the same40US 8,524,087 B2Uop LLC · 2013