F25J 1/0288
Using work extraction by mechanical coupling of compression and expansion of the
Official title: {using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders}
F25J1/0288 (Using work extraction by mechanical coupling of compression and expansion of the) appears on 164 US grants and 255 published applications in this corpus.
Search patents in F25J- Granted patents
- 164
- Published applications
- 255
- Assignees
- 89
- Inventors
- 379
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 2 |
| 2009 | 4 | 11 |
| 2010 | 2 | 17 |
| 2011 | 6 | 10 |
| 2012 | 2 | 4 |
| 2013 | 6 | 7 |
| 2014 | 7 | 10 |
| 2015 | 4 | 9 |
| 2016 | 3 | 14 |
| 2017 | 8 | 17 |
| 2018 | 8 | 23 |
| 2019 | 7 | 11 |
| 2020 | 10 | 11 |
| 2021 | 7 | 10 |
| 2022 | 12 | 22 |
| 2023 | 10 | 20 |
| 2024 | 11 | 24 |
| 2025 | 8 | 13 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and processes for stationary and mobile natural gas liquefaction26 May 2026US 12,638,237 B2NuBlu Innovations, LLC
- Liquid nitrogen energy storage system21 Apr 2026US 12,607,399 B2Praxair Technology, Inc.
- Device and method for liquefying a fluid such as hydrogen and/or helium14 Apr 2026US 12,601,539 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System, method and apparatus for the regeneration of nitrogen energy within a closed loop cryogenic system7 Apr 2026US 12,595,938 B2
- Method for producing liquefied natural gas from natural gas, and corresponding plant13 Jan 2026US 12,523,421 B2Technip Energies France
- Fluid liquefaction method and device27 Aug 2026US 2026/0251384 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- Cryogenic type boil-off gas reliquefaction system20 Aug 2026US 2026/0243505 A1Shanghai Marine Diesel Engine Research Institute
- Carbon dioxide recovery system and carbon dioxide recovery method18 Jun 2026US 2026/0166471 A1Mitsubishi Heavy Industries, Ltd.
- Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles2 Apr 2026US 2026/0092734 A1Evergreen Cryogenics Inc.
Most cited
By later US patents
- Process for solids waste landfill gas treatment and separation of methane and carbon dioxide95US 5,642,630 A1997
- Use of a turboexpander cycle in liquefied natural gas process83US 5,755,114 AABB Randall Corporation · 1998
- Hybrid cycle for the production of liquefied natural gas77US 6,308,531 B1Air Products and Chemicals, Inc. · 2001
- Liquefaction of natural gas using process-loaded expanders73US 4,970,867 AAir Products and Chemicals, Inc. · 1990
- Method for liquefying natural gas59US 5,363,655 AChiyoda Corporation · 1994