F25J 2215/04
Recovery of liquid products
F25J2215/04 (Recovery of liquid products) appears on 322 US grants and 432 published applications in this corpus.
Search patents in F25J- Granted patents
- 322
- Published applications
- 432
- Assignees
- 152
- Inventors
- 724
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 4 | 6 |
| 2005 | 3 | 5 |
| 2006 | 4 | 2 |
| 2007 | 2 | 6 |
| 2008 | 4 | 12 |
| 2009 | 3 | 12 |
| 2010 | 2 | 15 |
| 2011 | 2 | 19 |
| 2012 | 3 | 32 |
| 2013 | 11 | 18 |
| 2014 | 11 | 11 |
| 2015 | 9 | 24 |
| 2016 | 13 | 10 |
| 2017 | 11 | 30 |
| 2018 | 17 | 30 |
| 2019 | 23 | 32 |
| 2020 | 17 | 22 |
| 2021 | 22 | 28 |
| 2022 | 21 | 28 |
| 2023 | 21 | 20 |
| 2024 | 20 | 26 |
| 2025 | 14 | 21 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for co-production of a densified liquid oxygen product and densified liquid methane product15 Sep 2026US 12,736,280 B2Praxair Technology, Inc.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream2 Jun 2026US 12,643,067 B2Enflex, Inc.
- Device and method for recovering carbon dioxide and nitrogen from flue gas14 Apr 2026US 12,601,540 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Membrane capture of CO2 from refinery emissions7 Apr 2026US 12,594,523 B2Chevron U.S.A.Inc.
- Method for liquefying carbon dioxide1 Oct 2026US 2026/0298531 A1
- 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.
- Method for separating nitrogen from lng13 Aug 2026US 2026/0235353 A1Linde Aktiengesellschaft
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
- Process and apparatus for removing co2 from a gasification syngas16 Jul 2026US 2026/0200728 A1L Air Liquide, Societe Anonyme Pour 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
- Method for the recovery of low purity carbon dioxide104US 4,977,745 A1990
- Recovery of carbon dioxide from gas mixture94US 4,639,257 ACostain Petrocarbon Limited · 1987
- Landfill gas recovery94US 5,842,357 AAcrion Technologies, Inc. · 1998