F25J 3/067
Separation of carbon dioxide
Official title: {separation of carbon dioxide (production of carbon dioxide in general C01B32/00)}
F25J3/067 (Separation of carbon dioxide) appears on 171 US grants and 276 published applications in this corpus.
Search patents in F25J- Granted patents
- 171
- Published applications
- 276
- Assignees
- 115
- Inventors
- 466
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 2 | 10 |
| 2009 | 0 | 5 |
| 2010 | 1 | 13 |
| 2011 | 4 | 20 |
| 2012 | 8 | 31 |
| 2013 | 8 | 26 |
| 2014 | 12 | 12 |
| 2015 | 8 | 14 |
| 2016 | 13 | 15 |
| 2017 | 12 | 8 |
| 2018 | 10 | 15 |
| 2019 | 14 | 9 |
| 2020 | 12 | 10 |
| 2021 | 6 | 6 |
| 2022 | 7 | 9 |
| 2023 | 9 | 10 |
| 2024 | 6 | 17 |
| 2025 | 6 | 13 |
| 2026 | 13 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for separating a gas mixture25 Aug 2026US 12,714,965 B2Linde Aktiengesellschaft
- Method and system for efficient hydrogen compression11 Aug 2026US 12,704,116 B2Nuovo Pignone Tecnologie Srl
- Method and apparatus for drying a flow rich in carbon dioxide16 Jun 2026US 12,654,128 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and device for washing and purification with low-temperature methanol16 Jun 2026US 12,655,022 B2Dalian Jiachun Gas Purification Technology Development Co., Ltd
- Cryogenic removal of carbon dioxide from the atmosphere9 Jun 2026US 12,650,260 B2Microsoft Technology Licensing, LLC
- Process for starting up a carbon capture process1 Oct 2026US 2026/0295494 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Co2 separation system1 Oct 2026US 2026/0298533 A1National Institute for Materials Science National Institute for Materials Science
- Cryogenic removal of carbon dioxide from the atmosphere17 Sep 2026US 2026/0276301 A1Microsoft Technology Licensing, LLC
- Method and device for coupling refrigerating and heat transfer effects10 Sep 2026US 2026/0266540 A1Cryo Rur
- Carbon dioxide recovery system and carbon dioxide recovery method3 Sep 2026US 2026/0257923 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Process for solids waste landfill gas treatment and separation of methane and carbon dioxide95US 5,642,630 A1997
- Process and apparatus for producing liquid carbon dioxide93US 5,233,837 AEnerfex, Inc. · 1993
- Removal of carbon dioxide from a feed stream by carbon dioxide solids separation89US 5,819,555 A1998
- Method and apparatus for removing pollutants from flue gas84US 5,467,722 A1995