F25J 1/0035
By gas expansion with extraction of work
Official title: {by gas expansion with extraction of work}
F25J1/0035 (By gas expansion with extraction of work) appears on 303 US grants and 376 published applications in this corpus.
Search patents in F25J- Granted patents
- 303
- Published applications
- 376
- Assignees
- 137
- Inventors
- 632
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 1 |
| 2003 | 4 | 5 |
| 2004 | 6 | 9 |
| 2005 | 5 | 8 |
| 2006 | 5 | 11 |
| 2007 | 8 | 12 |
| 2008 | 4 | 4 |
| 2009 | 11 | 13 |
| 2010 | 1 | 12 |
| 2011 | 2 | 12 |
| 2012 | 2 | 7 |
| 2013 | 5 | 7 |
| 2014 | 4 | 9 |
| 2015 | 3 | 19 |
| 2016 | 3 | 19 |
| 2017 | 9 | 31 |
| 2018 | 12 | 40 |
| 2019 | 18 | 35 |
| 2020 | 26 | 19 |
| 2021 | 11 | 18 |
| 2022 | 25 | 18 |
| 2023 | 12 | 24 |
| 2024 | 15 | 20 |
| 2025 | 16 | 14 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for recovering gas with variable low-temperature23 Jun 2026US 12,663,210 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- 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.
- Assembly for storing a liquefied cryogenic fluid, vehicle and method27 Aug 2026US 2026/0251269 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
- System and method for the production and supply of a densified liquid oxygen product20 Aug 2026US 2026/0243506 A1
- System for treating boil-off gas25 Jun 2026US 2026/0177313 A1Institute for Advanced Engineering
- Carbon dioxide recovery system and carbon dioxide recovery method18 Jun 2026US 2026/0166471 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- LNG production using dual independent expander refrigeration cycles149US 6,412,302 B1ABB Lummus Global, Inc. - Randall Division · 2002
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997
- Multi-component refrigeration process for liquefaction of natural gas100US 5,950,453 AExxon Production Research Company · 1999