B01D 2251/602
Oxides
B01D2251/602 (Oxides) appears on 243 US grants and 377 published applications in this corpus.
Search patents in B01D- Granted patents
- 243
- Published applications
- 377
- Assignees
- 267
- Inventors
- 932
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 3 | 7 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 10 |
| 2010 | 4 | 10 |
| 2011 | 4 | 13 |
| 2012 | 4 | 11 |
| 2013 | 7 | 11 |
| 2014 | 9 | 20 |
| 2015 | 16 | 20 |
| 2016 | 7 | 16 |
| 2017 | 23 | 25 |
| 2018 | 18 | 23 |
| 2019 | 15 | 26 |
| 2020 | 16 | 21 |
| 2021 | 20 | 20 |
| 2022 | 12 | 17 |
| 2023 | 22 | 26 |
| 2024 | 10 | 31 |
| 2025 | 26 | 29 |
| 2026 | 6 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Method and apparatus for carbon dioxide sequestration2 Jun 2026US 12,643,086 B2Anvil Capture Systems Inc.
- Thermo-chemical transformation of wet food waste with plastics, biodegradable packaging, and fluorinated compounds in a multi-annular concentric feed rotary kiln system2 Jun 2026US 12,644,061 B1Simple Approach Systems, Inc.
- Desulfurization and sulfur recovery method for sulfur dioxide flue gas31 Mar 2026US 12,589,356 B2TongLing Nonferrous Metals Group Holdings Co. Ltd.
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles6 Jan 2026US 12,515,165 B2Graymont (PA) Inc.
- Method for treating exhaust gas, and facility for carrying out method3 Sep 2026US 2026/0257172 A1Mitsubishi Heavy Industries, Ltd.
- Carbon dioxide capture system for motor-vehicle27 Aug 2026US 2026/0249239 A1C. R. F. Societa Consortile per Azioni
- Method for obtaining a synthesis gas from waste products via a gasification reaction in conjunction with a reforming reaction with thermal energy recirculation27 Aug 2026US 2026/0250587 A1Cyclize GmbH
- Process for capture and conversion of carbon dioxide13 Aug 2026US 2026/0233155 A1The Governors of the University of Alberta
- Mitigating chloride ion oxidation during saline water electrolysis for hydrogen production and carbon dioxide mineralization6 Aug 2026US 2026/0225925 A1The Regents of the University of California
Most cited
By later US patents
- Production of carbonate-containing compositions from material comprising metal silicates111US 7,749,476 B2Calera Corporation · 2010
- Carbon dioxide capture process with regenerable sorbents77US 6,387,337 B1The United States of America as represented by the United States Department of Energy · 2002
- Process for separating synthesis gas into fuel cell quality hydrogen and sequestration ready carbon dioxide74US 6,667,022 B2General Electric Company · 2003
- Sulfur oxide and particulate removal system66US 4,622,210 AStandard Oil Company (Indiana) · 1986
- Technical and economic optimization of combustion, nitrogen oxides, sulfur dioxide, mercury, carbon dioxide, coal ash and slag and coal slurry use in coal fired furnaces/boilers56US 7,553,463 B22009