B01D 2253/302
Dimensions
B01D2253/302 (Dimensions) appears on 1,426 US grants and 1,554 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,426
- Published applications
- 1,554
- Assignees
- 845
- Inventors
- 3,744
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 26 | 0 |
| 1997 | 23 | 0 |
| 1998 | 28 | 0 |
| 1999 | 28 | 0 |
| 2000 | 32 | 0 |
| 2001 | 28 | 7 |
| 2002 | 34 | 37 |
| 2003 | 40 | 40 |
| 2004 | 31 | 48 |
| 2005 | 22 | 49 |
| 2006 | 36 | 50 |
| 2007 | 23 | 26 |
| 2008 | 35 | 60 |
| 2009 | 29 | 39 |
| 2010 | 29 | 54 |
| 2011 | 34 | 43 |
| 2012 | 40 | 64 |
| 2013 | 46 | 46 |
| 2014 | 43 | 51 |
| 2015 | 48 | 74 |
| 2016 | 52 | 63 |
| 2017 | 54 | 82 |
| 2018 | 52 | 91 |
| 2019 | 67 | 71 |
| 2020 | 68 | 79 |
| 2021 | 52 | 93 |
| 2022 | 60 | 78 |
| 2023 | 61 | 92 |
| 2024 | 57 | 84 |
| 2025 | 63 | 77 |
| 2026 | 31 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammonium-functionalized polysulfone copolymers for moisture-swing CO2 capture22 Sep 2026US 12,741,265 B2Arizona Board of Regents on behalf of Arizona State University
- Adsorbent material, adsorption system, and adsorption process for hydrogen recovery8 Sep 2026US 12,729,116 B2Air Products and Chemicals, Inc.
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Polymeric sorbents for aldehydes and methods of making1 Sep 2026US 12,722,139 B23M Innovative Properties Company
- Systems and methods for purifying solvents1 Sep 2026US 12,722,140 B2Fujifilm Electronic Materials U.S.A., Inc.
- Method for purifying bromine gas1 Oct 2026US 2026/0295496 A1Resonac Corporation
- Carbon-carbon composite sorbent formulations for carbon dioxide adsorption, and related methods24 Sep 2026US 2026/0284634 A1Schlumberger Technology Corporation
- Structured powders for carbon dioxide capture17 Sep 2026US 2026/0273503 A1Anvil Capture Systems Inc.
- Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery17 Sep 2026US 2026/0274664 A1Air Products and Chemicals, Inc.
- Adsorption segment for direct air capture unit10 Sep 2026US 2026/0263983 A1
Most cited
By later US patents
- Sorbents and methods for the removal of mercury from combustion gases199US 6,953,494 B22005
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000
- High capacity regenerable sorbent for removal of mercury from flue gas191US 6,719,828 B12004
- High frequency pressure swing adsorption186US 6,176,897 B1Questor Industries Inc. · 2001
- Mercury removal apparatus and method176US 5,409,522 AADA Technologies, Inc. · 1995