B01D 53/1475
Removing carbon dioxide
Official title: {Removing carbon dioxide}
B01D53/1475 (Removing carbon dioxide) appears on 1,530 US grants and 2,507 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,530
- Published applications
- 2,507
- Assignees
- 826
- Inventors
- 4,237
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 2 |
| 2003 | 7 | 4 |
| 2004 | 6 | 14 |
| 2005 | 4 | 13 |
| 2006 | 6 | 13 |
| 2007 | 5 | 12 |
| 2008 | 6 | 32 |
| 2009 | 10 | 37 |
| 2010 | 20 | 64 |
| 2011 | 26 | 93 |
| 2012 | 33 | 128 |
| 2013 | 86 | 154 |
| 2014 | 96 | 137 |
| 2015 | 79 | 131 |
| 2016 | 97 | 113 |
| 2017 | 97 | 98 |
| 2018 | 92 | 104 |
| 2019 | 82 | 90 |
| 2020 | 87 | 94 |
| 2021 | 81 | 119 |
| 2022 | 101 | 132 |
| 2023 | 112 | 194 |
| 2024 | 123 | 247 |
| 2025 | 120 | 282 |
| 2026 | 84 | 198 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Method and apparatus for producing carbonate salts22 Sep 2026US 12,741,880 B2Nanomist Technologies Co., Ltd.
- Recovery of recycle content CO2 from pyrolysis flue gas15 Sep 2026US 12,735,644 B2ExxonMobil Product Solutions Company
- Drain discharge structure in compressed pneumatic circuit8 Sep 2026US 12,728,385 B2Fukuhara Co., Ltd.
- Method of extraction of a gaseous or vapor component from compressed air8 Oct 2026US 2026/0306997 A1Consiglio Nazionale Delle Ricerche
- Method for producing a deacidified fluid stream, apparatus for deacidifying a fluid stream and use of heat pumps for deacidifying a fluid stream8 Oct 2026US 2026/0306998 A1BASF SE
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Absorbent for Capturing Carbon Dioxide8 Oct 2026US 2026/0307000 A1Panasia Co., Ltd.
- Catalytic reactor and system for purification of carbon dioxide streams and methods of using the same8 Oct 2026US 2026/0307007 A1Oxy Low Carbon Ventures, LLC
Most cited
By later US patents
- Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures169US 4,112,051 AExxon Research & Engineering Co. · 1978
- Process for removing carbon dioxide containing acidic gases from gaseous mixtures using aqueous amine scrubbing solutions165US 4,112,052 AExxon Research & Engineering Co. · 1978
- Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine135US 4,112,050 AExxon Research & Engineering Co. · 1978
- Method for removing carbon dioxide from exhaust gases133US 5,832,712 AKvaerner ASA · 1998
- Method for recovery of CO2 from gas streams133US 7,056,482 B2Cansolv Technologies Inc. · 2006