B01J 47/022
Characterised by the construction of the column or container
Official title: characterised by the construction of the column or container
B01J47/022 (Characterised by the construction of the column or container) appears on 215 US grants and 202 published applications in this corpus.
Search patents in B01J- Granted patents
- 215
- Published applications
- 202
- Assignees
- 171
- Inventors
- 507
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 0 | 5 |
| 2004 | 3 | 5 |
| 2005 | 4 | 7 |
| 2006 | 3 | 6 |
| 2007 | 4 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 5 |
| 2013 | 1 | 11 |
| 2014 | 4 | 14 |
| 2015 | 7 | 12 |
| 2016 | 3 | 5 |
| 2017 | 9 | 14 |
| 2018 | 14 | 8 |
| 2019 | 7 | 8 |
| 2020 | 11 | 18 |
| 2021 | 7 | 17 |
| 2022 | 12 | 13 |
| 2023 | 10 | 10 |
| 2024 | 16 | 8 |
| 2025 | 10 | 11 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for ion exchange apparatus15 Sep 2026US 12,735,335 B2
- Ion exchanger filter device and ion exchanger cartridge8 Sep 2026US 12,728,411 B2Mann+Hummel GmbH
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- System and method for regenerating and restoring kinetic properties of resin13 Jan 2026US 12,521,710 B2Ionx Solutions, LLC
- Apparatus and process for the automated chemical synthesis of compounds30 Dec 2025US 12,508,566 B2ETH Zurich
- Split resin bed, low pressure drop, and replaceable cartridge deionization filter20 Aug 2026US 2026/0241312 A1Atmus Filtration Inc.
- Polymer impregnated amphoteric sorbent based adsorptive desalination and disinfection systems, components, and methods23 Jul 2026US 2026/0209086 A1The University of North Carolina at Greensboro
- Ion exchanger filter device and ion exchanger cartridge28 May 2026US 2026/0145098 A1Mann+Hummel GmbH
- Ion exchanger filter device and ion exchanger cartridge28 May 2026US 2026/0145167 A1Mann+Hummel GmbH
- Method for preparing schiff base-modified ionic framework material and use thereof in advanced purification of 177 lu-containing medical wastewater23 Apr 2026US 2026/0108871 A1Southwest University of Science and Technology
Most cited
By later US patents
- Vertical reaction vessel91US 4,871,463 ASepratech · 1989
- Water treatment apparatus88US 5,211,973 AInnova Pure Water Inc. · 1993
- Multi-function filter cartridge with flow distribution control71US 5,106,501 AAmetek, Inc. · 1992
- Multiple element fluid separation device59US 4,476,015 AV. J. Ciccone & Associates, Inc. · 1984
- Filtration device for liquid purification58US 6,387,260 B1Electrophor, Inc. · 2002