F25J 2220/80
Separating impurities from carbon dioxide
Official title: Separating impurities from carbon dioxide, e.g. H2O or water-soluble contaminants
F25J2220/80 (Separating impurities from carbon dioxide) appears on 224 US grants and 323 published applications in this corpus.
Search patents in F25J- Granted patents
- 224
- Published applications
- 323
- Assignees
- 148
- Inventors
- 552
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 0 | 3 |
| 2004 | 1 | 4 |
| 2005 | 4 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 2 | 12 |
| 2009 | 2 | 11 |
| 2010 | 4 | 17 |
| 2011 | 6 | 18 |
| 2012 | 10 | 32 |
| 2013 | 10 | 27 |
| 2014 | 12 | 14 |
| 2015 | 7 | 19 |
| 2016 | 12 | 12 |
| 2017 | 14 | 10 |
| 2018 | 9 | 9 |
| 2019 | 7 | 5 |
| 2020 | 10 | 9 |
| 2021 | 7 | 9 |
| 2022 | 6 | 15 |
| 2023 | 10 | 14 |
| 2024 | 11 | 25 |
| 2025 | 5 | 25 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for separating a gas mixture25 Aug 2026US 12,714,965 B2Linde Aktiengesellschaft
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions25 Aug 2026US 12,716,650 B2Saipem S.P.A.
- Latent heat and condensation exchanger11 Aug 2026US 12,704,076 B2Sustainable Energy Solutions, LLC
- 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
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Method and device for coupling refrigerating and heat transfer effects10 Sep 2026US 2026/0266540 A1Cryo Rur
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Compact carbon dioxide capture and liquefaction system using high-temperature district heating water waste heat from urban power plant combustion exhaust gas13 Aug 2026US 2026/0235352 A1Korea District Heating Corp.
- Carbon dioxide separation plant using external refrigeration circuit, and method13 Aug 2026US 2026/0235355 A1Nuovo Pignone Tecnologie Srl
- Method and apparatus for venting a gas6 Aug 2026US 2026/0225038 A1L'Air Liquide Societe Anonyme Pour L'Etude Et L'Etude Et L'Exploitation Des Procedes Georges Claude
Most cited
By later US patents
- Carbon dioxide recovery156US 4,762,543 AAmoco Corporation · 1988
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Process for removing carbon dioxide from combustion exhaust gas122US 5,344,627 AMitsubishi Jukogyo Kabushiki Kaisha · 1994
- Process for the separation of landfill gas115US 4,681,612 AKoch Process Systems, Inc. · 1987