B01D 2253/304
Linear dimensions
Official title: Linear dimensions, e.g. particle shape, diameter
B01D2253/304 (Linear dimensions) appears on 726 US grants and 760 published applications in this corpus.
Search patents in B01D- Granted patents
- 726
- Published applications
- 760
- Assignees
- 491
- Inventors
- 2,030
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 16 | 0 |
| 1997 | 17 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 2 |
| 2002 | 15 | 22 |
| 2003 | 23 | 24 |
| 2004 | 22 | 28 |
| 2005 | 14 | 30 |
| 2006 | 21 | 29 |
| 2007 | 12 | 11 |
| 2008 | 22 | 30 |
| 2009 | 17 | 21 |
| 2010 | 17 | 29 |
| 2011 | 18 | 25 |
| 2012 | 16 | 28 |
| 2013 | 20 | 23 |
| 2014 | 21 | 29 |
| 2015 | 22 | 33 |
| 2016 | 26 | 31 |
| 2017 | 32 | 33 |
| 2018 | 27 | 43 |
| 2019 | 27 | 23 |
| 2020 | 26 | 35 |
| 2021 | 19 | 42 |
| 2022 | 24 | 32 |
| 2023 | 29 | 45 |
| 2024 | 27 | 48 |
| 2025 | 35 | 35 |
| 2026 | 13 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for manufacturing coffee activated carbon using coffee waste, coffee activated carbon manufactured using the same, and combi filter for vehicle air conditioning system including coffee activated carbon25 Aug 2026US 12,714,984 B2Hyundai Motor Company
- Composite for electrochemical gas separation28 Jul 2026US 12,691,409 B2Verdox, 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.
- Method and apparatus for carbon dioxide sequestration3 Sep 2026US 2026/0257194 A1Anvil Capture Systems Inc.
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
- Portable oxygen concentrator151US 6,520,176 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003