B01D 2253/31
Pore size distribution
B01D2253/31 (Pore size distribution) appears on 102 US grants and 117 published applications in this corpus.
Search patents in B01D- Granted patents
- 102
- Published applications
- 117
- Assignees
- 101
- Inventors
- 310
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 4 |
| 2009 | 1 | 4 |
| 2010 | 0 | 4 |
| 2011 | 5 | 4 |
| 2012 | 4 | 4 |
| 2013 | 6 | 5 |
| 2014 | 3 | 4 |
| 2015 | 2 | 9 |
| 2016 | 7 | 12 |
| 2017 | 7 | 8 |
| 2018 | 7 | 7 |
| 2019 | 8 | 7 |
| 2020 | 8 | 4 |
| 2021 | 6 | 5 |
| 2022 | 4 | 7 |
| 2023 | 0 | 8 |
| 2024 | 4 | 5 |
| 2025 | 9 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High performance gas adsorbing material5 May 2026US 12,616,931 B2Spritius Technologies, PBC
- Systems and methods for gas storage and transportation17 Feb 2026US 12,551,863 B2ExxonMobil Technology and Engineering Company
- Compositions and methods for monitoring gas adsorption22 Jul 2025US 12,364,966 B2Alliance for Sustainable Energy, LLC
- Process for producing carbon fiber materials for separating CO2 or NH3 from gas mixtures, carbon fiber materials and its use1 Jul 2025US 12,344,534 B2Forschungszentrum Julich GmbH
- Regenerable VOC filters with improved selectivity and efficacy3 Jun 2025US 12,318,753 B2Centre National De La Racherche Scientifique
- Co2 adsorption system and method for co2 adsorption using humidity stable polystyrene-divinylbenzene amine functionalized polymeric adsorbents30 Jul 2026US 2026/0216633 A1Climeworks AG
- Graphene based adsorbent material for evap canister used in a vehicle emissions management system16 Apr 2026US 2026/0104021 A1
- Selective absorption filters for oil-based immersion cooling11 Sep 2025US 2025/0283642 A1Seagate Technology LLC
- Halogenated activated carbon compositions and methods of making and using same14 Aug 2025US 2025/0256259 A1Carbon Technology Holdings, LLC
- Co2 reversible adsorption material, composition and regeneration method thereof, and co2 capture method31 Jul 2025US 2025/0242329 A1China Energy Investment Corporation Limited
Most cited
By later US patents
- Air purification system and process135US 4,231,768 APall Corporation · 1980
- Low mesopore adsorbent contactors for use in swing adsorption processes90US 7,959,720 B2ExxonMobil Research and Engineering Company · 2011
- Nanofiber packed beds having enhanced fluid flow characteristics88US 5,800,706 AHyperion Catalysis International, Inc. · 1998
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Filter element, filter, and method for removing odors from indoor air78US 4,604,110 AGeneral Time Corporation · 1986