B01D 2251/304
Of sodium
Official title: of sodium
B01D2251/304 (Of sodium) appears on 651 US grants and 1,030 published applications in this corpus.
Search patents in B01D- Granted patents
- 651
- Published applications
- 1,030
- Assignees
- 559
- Inventors
- 2,109
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 4 |
| 2003 | 4 | 8 |
| 2004 | 2 | 4 |
| 2005 | 3 | 1 |
| 2006 | 5 | 7 |
| 2007 | 0 | 5 |
| 2008 | 0 | 11 |
| 2009 | 5 | 20 |
| 2010 | 10 | 34 |
| 2011 | 13 | 50 |
| 2012 | 16 | 39 |
| 2013 | 26 | 52 |
| 2014 | 46 | 55 |
| 2015 | 41 | 52 |
| 2016 | 31 | 53 |
| 2017 | 46 | 61 |
| 2018 | 39 | 36 |
| 2019 | 46 | 48 |
| 2020 | 45 | 66 |
| 2021 | 42 | 49 |
| 2022 | 45 | 64 |
| 2023 | 50 | 75 |
| 2024 | 42 | 79 |
| 2025 | 43 | 108 |
| 2026 | 27 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Flue gas purification system for hazardous waste incineration and purification method25 Aug 2026US 12,714,969 B2Chongqing Greening Environmental Protection Co. Ltd
- Alkali enrichment mediated CO2 sequestration methods, and systems for practicing the same28 Jul 2026US 12,691,410 B1Blue Planet Systems Corporation
- System and method for dual-pathway system for carbon dioxide capture from ocean water30 Jun 2026US 12,668,518 B2California Institute of Technology
- Air contactor16 Jun 2026US 12,654,132 B2Baltimore Aircoil Company, Inc.
- High-efficiency carbonation reaction system and method for capturing carbon dioxide from flue gas continuously1 Oct 2026US 2026/0295508 A1National Atomic Research Institute
- Air contactor24 Sep 2026US 2026/0284592 A1
- An integrated resource recovery and co-treatment system of desalination brine and flue gas via waste brine electrolysis and sustainable co2 mineralisation (from brine to newseawater)17 Sep 2026US 2026/0273466 A1Nanyang Technological University
- Direct air capture of carbon dioxide17 Sep 2026US 2026/0273467 A1Carbon Utility LLC
- Measuring cup having a bitmapped pattern10 Sep 2026US 2026/0264011 A1The Procter & Gamble Company
Most cited
By later US patents
- Flue gas mercury control214US 8,080,088 B12011
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Method and apparatus for removing mercury species from hot flue gas81US 6,960,329 B2Foster Wheeler Energy Corporation · 2005
- Pushable multi-fiber connector81US 9,383,539 B2Clearfield, Inc. · 2016
- Elimination of odors from waste material74US 4,405,354 AUniscope, Inc. · 1983