B01J 20/2805
Sorbents inside a permeable or porous casing
Official title: {Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane}
B01J20/2805 (Sorbents inside a permeable or porous casing) appears on 292 US grants and 393 published applications in this corpus.
Search patents in B01J- Granted patents
- 292
- Published applications
- 393
- Assignees
- 263
- Inventors
- 874
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 2 |
| 2002 | 9 | 7 |
| 2003 | 6 | 10 |
| 2004 | 6 | 7 |
| 2005 | 6 | 14 |
| 2006 | 3 | 13 |
| 2007 | 5 | 5 |
| 2008 | 4 | 11 |
| 2009 | 7 | 10 |
| 2010 | 4 | 9 |
| 2011 | 2 | 10 |
| 2012 | 6 | 11 |
| 2013 | 8 | 16 |
| 2014 | 13 | 19 |
| 2015 | 9 | 11 |
| 2016 | 17 | 15 |
| 2017 | 13 | 23 |
| 2018 | 7 | 15 |
| 2019 | 16 | 20 |
| 2020 | 14 | 20 |
| 2021 | 12 | 19 |
| 2022 | 13 | 39 |
| 2023 | 20 | 33 |
| 2024 | 11 | 25 |
| 2025 | 24 | 19 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent filter assembly7 Jul 2026US 12,673,288 B2Donaldson Company, Inc.
- Layered absorbent substrate incorporating activated carbon and superabsorbent materials26 May 2026US 12,636,533 B2Star Liberty LLC
- Adsorption material and method for treating pollutants19 May 2026US 12,629,655 B2Well Resources Inc.
- Device to release water and antimicrobial vapor into an enclosed or partially enclosed space7 Apr 2026US 12,595,109 B2Arkema Inc.
- Coated resin particles and method for producing coated resin particles31 Mar 2026US 12,590,190 B2Sumitomo Seika Chemicals Co., Ltd.
- Adsorbent filter assembly1 Oct 2026US 2026/0295488 A1Donaldson Company, Inc.
- Multi purpose contaminant removal from fluid streams25 Jun 2026US 2026/0175191 A1Standard H2, Inc.
- Graphene based adsorbent material for a scrubber incorporated into a vent line extending from a vent port of an evap canister and an adsorbent material including polystyrene-divinylbenzene adsorbents mixed with polyurethane foam matrix for improved hydrocarbon bleed control28 May 2026US 2026/0145113 A1Martinrea International US Inc.
- Direct air capture sorbent system28 May 2026US 2026/0145127 A1Robert Bosch GmbH
- Composite material and its use in passive cooling9 Apr 2026US 2026/0097385 A1City University of Hong Kong
Most cited
By later US patents
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- Low hydraulic resistance cartridge162US 7,276,042 B2National Quality Care, Inc. · 2007
- Hollow porous microspheres as substrates and containers for catalyst136US 4,793,980 A1988
- Hollow porous microspheres as substrates and containers for catalysts and method of making same124US 4,637,990 A1987
- Low hydraulic resistance cartridge107US 7,850,635 B2Fresenius Medical Care Holdings, Inc. · 2010