B01D 2257/50
Carbon oxides
B01D2257/50 (Carbon oxides) appears on 5,524 US grants and 8,346 published applications in this corpus.
Search patents in B01D- Granted patents
- 5,524
- Published applications
- 8,346
- Assignees
- 2,449
- Inventors
- 13,960
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 16 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 24 | 0 |
| 1989 | 17 | 0 |
| 1990 | 19 | 0 |
| 1991 | 16 | 0 |
| 1992 | 24 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 29 | 0 |
| 1999 | 43 | 0 |
| 2000 | 34 | 0 |
| 2001 | 38 | 15 |
| 2002 | 42 | 37 |
| 2003 | 57 | 64 |
| 2004 | 37 | 49 |
| 2005 | 30 | 66 |
| 2006 | 34 | 76 |
| 2007 | 33 | 90 |
| 2008 | 44 | 136 |
| 2009 | 61 | 179 |
| 2010 | 110 | 323 |
| 2011 | 132 | 361 |
| 2012 | 196 | 367 |
| 2013 | 268 | 364 |
| 2014 | 288 | 341 |
| 2015 | 257 | 341 |
| 2016 | 285 | 348 |
| 2017 | 281 | 341 |
| 2018 | 276 | 402 |
| 2019 | 300 | 383 |
| 2020 | 303 | 374 |
| 2021 | 279 | 407 |
| 2022 | 322 | 454 |
| 2023 | 350 | 618 |
| 2024 | 401 | 712 |
| 2025 | 402 | 838 |
| 2026 | 299 | 660 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contactor assembly and sorbent cartridge having sorbent bed for contactor assembly6 Oct 2026US 12,752,232 B2Mosaic Materials, Inc.
- System and method for direct air capture of water and CO26 Oct 2026US 12,752,234 B2Battelle Memorial Institute
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Method and device for separating a carbon dioxide-containing gas by partial condensation and/or distillation and/or solidification8 Oct 2026US 2026/0306989 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems and methods for optimizing carbon dioxide capture using sorbents8 Oct 2026US 2026/0306990 A1GE Vernova Infrastructure Technology LLC
- Systems and methods for optimizing carbon dioxide capture using water vapor adsorption8 Oct 2026US 2026/0306991 A1GE Vernova Infrastructure Technology LLC
- Method for treating a fluid, fluid discharge device for a fluid and associated system8 Oct 2026US 2026/0306992 A1
- Systems for optimizing carbon dioxide capture8 Oct 2026US 2026/0306993 A1GE Vernova Infrastructure Technology LLC
Most cited
By later US patents
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000
- High frequency pressure swing adsorption186US 6,176,897 B1Questor Industries Inc. · 2001
- Rotary pressure swing adsorption apparatus181US 6,406,523 B1QuestAir Technologies Inc. · 2002
- High temperature fuel cell power plant165US 7,097,925 B2QuestAir Technologies Inc. · 2006
- Removal of water and carbon dioxide from atmospheric air159US 4,711,645 AAir Products and Chemicals, Inc. · 1987