F25J 1/0268
Using a dedicated refrigeration means
Official title: {using a dedicated refrigeration means (F25J1/0296 takes precedence)}
F25J1/0268 (Using a dedicated refrigeration means) appears on 69 US grants and 80 published applications in this corpus.
Search patents in F25J- Granted patents
- 69
- Published applications
- 80
- Assignees
- 41
- Inventors
- 168
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 1 | 8 |
| 2011 | 3 | 3 |
| 2012 | 0 | 2 |
| 2013 | 4 | 1 |
| 2014 | 3 | 3 |
| 2015 | 0 | 4 |
| 2016 | 0 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 6 |
| 2019 | 6 | 6 |
| 2020 | 2 | 8 |
| 2021 | 2 | 2 |
| 2022 | 4 | 3 |
| 2023 | 3 | 2 |
| 2024 | 4 | 8 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating magnetic field generation device, magnetic refrigeration device, and hydrogen liquefaction device31 Mar 2026US 12,590,739 B2Hitachi, Ltd.
- Cryocooler suitable for gas liquefaction applications, gas liquefaction system and method comprising the same21 Oct 2025US 12,449,196 B2Consejo Superior De Investigaciones Cientificas (Csic)
- Heat-of-compression recycle system, and sub-systems thereof13 May 2025US 12,301,000 B2Highview Enterprises Limited
- Magnetic refrigeration systems for cryogenic applications10 Dec 2024US 12,163,701 B2General Engineering & Research, L.L.C.
- Managing make-up gas composition variation for a high pressure expander process30 Jul 2024US 12,050,056 B2ExxonMobil Technology and Engineering Company
- Method and apparatus for liquefying and/or separating a mixture containing co230 Jul 2026US 2026/0217528 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for cooling hydrogen26 Jun 2025US 2025/0207851 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for production and supply of a densified liquid oxygen product for space vehicle applications29 Aug 2024US 2024/0288218 A1
- Cryocooler Suitable for Gas Liquefaction Applications, Gas Liquefaction System and Method Comprising the Same8 Aug 2024US 2024/0263872 A1Consejo Superior De Investigaciones Cientificas (Csic)
- Process for cooling a gas by means of a refrigeration cycle1 Aug 2024US 2024/0255219 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Variable load refrigeration system particularly for cryogenic temperatures102US 6,076,372 APraxair Technology, Inc. · 2000
- Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes59US 4,755,200 AAir Products and Chemicals, Inc. · 1988
- Dual mixed refrigerant natural gas liquefaction54US 4,545,795 AAir Products and Chemicals, Inc. · 1985
- Variable load refrigeration system particularly for cryogenic temperatures52US 6,426,019 B1Praxair Technology, Inc. · 2002
- Dual mixed refrigerant natural gas liquefaction with staged compression51US 4,525,185 AAir Products and Chemicals, Inc. · 1985