B01D 2253/20
Organic adsorbents
B01D2253/20 (Organic adsorbents) appears on 1,454 US grants and 2,068 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,454
- Published applications
- 2,068
- Assignees
- 842
- Inventors
- 4,169
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 5 |
| 2002 | 10 | 17 |
| 2003 | 19 | 22 |
| 2004 | 13 | 18 |
| 2005 | 11 | 30 |
| 2006 | 15 | 27 |
| 2007 | 12 | 26 |
| 2008 | 16 | 38 |
| 2009 | 21 | 37 |
| 2010 | 23 | 59 |
| 2011 | 23 | 86 |
| 2012 | 49 | 64 |
| 2013 | 53 | 74 |
| 2014 | 62 | 74 |
| 2015 | 61 | 92 |
| 2016 | 74 | 96 |
| 2017 | 76 | 110 |
| 2018 | 86 | 110 |
| 2019 | 97 | 131 |
| 2020 | 96 | 103 |
| 2021 | 89 | 113 |
| 2022 | 88 | 125 |
| 2023 | 86 | 140 |
| 2024 | 104 | 164 |
| 2025 | 101 | 170 |
| 2026 | 69 | 137 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for direct air capture of water and CO26 Oct 2026US 12,752,234 B2Battelle Memorial Institute
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Systems and methods for collecting fats, oils, and grease from updraft ventilators29 Sep 2026US 12,746,503 B1
- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Porous scaffolds for electrochemically-controlled reversible capture and release of alkenes22 Sep 2026US 12,741,235 B2Trustees of Dartmouth College
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof8 Oct 2026US 2026/0307047 A1NuMat Technologies, Inc.
- Constant gas-phase organic compound concentration generation apparatus and pretreatment method thereof1 Oct 2026US 2026/0295499 A1Shenzhen University
- Solid desiccant system for dehumidification1 Oct 2026US 2026/0295517 A1Carrier Corporation
Most cited
By later US patents
- Method of and apparatus for purifying reduced pressure process chambers388US 6,135,460 ATexas Instruments Incorporated · 2000
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000
- Air purification system and process135US 4,231,768 APall Corporation · 1980
- Adsorbent package134US 3,990,872 AMultiform Desiccant Products, Inc. · 1976
- Amine enriched solid sorbents for carbon dioxide capture132US 6,547,854 B1The United States of America as represented by the United States Department of Energy · 2003