F25J 1/0292
Refrigerant compression by cold or cryogenic suction of the refrigerant gas
Official title: {Refrigerant compression by cold or cryogenic suction of the refrigerant gas}
F25J1/0292 (Refrigerant compression by cold or cryogenic suction of the refrigerant gas) appears on 199 US grants and 258 published applications in this corpus.
Search patents in F25J- Granted patents
- 199
- Published applications
- 258
- Assignees
- 103
- Inventors
- 508
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 11 | 1 |
| 2003 | 3 | 1 |
| 2004 | 4 | 8 |
| 2005 | 3 | 5 |
| 2006 | 4 | 3 |
| 2007 | 3 | 7 |
| 2008 | 2 | 9 |
| 2009 | 4 | 9 |
| 2010 | 2 | 23 |
| 2011 | 0 | 11 |
| 2012 | 1 | 7 |
| 2013 | 5 | 9 |
| 2014 | 2 | 4 |
| 2015 | 2 | 8 |
| 2016 | 6 | 18 |
| 2017 | 6 | 24 |
| 2018 | 11 | 25 |
| 2019 | 12 | 19 |
| 2020 | 19 | 10 |
| 2021 | 7 | 6 |
| 2022 | 9 | 17 |
| 2023 | 5 | 8 |
| 2024 | 8 | 13 |
| 2025 | 7 | 5 |
| 2026 | 6 | 7 |
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.
- Device and method for recovering gas with variable low-temperature23 Jun 2026US 12,663,210 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Cryogenic gas cooling system and method16 Jun 2026US 12,656,057 B2Chart Energy & Chemicals, 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
- Plant and method for producing hydrogen at cryogenic temperature10 Mar 2026US 12,571,584 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cascade refrigeration natural gas liquefaction system and process27 Aug 2026US 2026/0251385 A1Hangzhou Zhongtai Cryogenic Technology Corporation
- Method for liquefying natural gas9 Jul 2026US 2026/0194294 A1Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- System for treating boil-off gas25 Jun 2026US 2026/0177313 A1Institute for Advanced Engineering
- Compressor-Energized Refrigerant Isolation Valves28 May 2026US 2026/0146788 A1
- Systems and methods for aligning sequences to personalized references7 May 2026US 2026/0126245 A1Seven Bridges Genomics Inc.
Most cited
By later US patents
- Process and system for liquefying natural gas124US 6,324,867 B1ExxonMobil Oil Corporation · 2001
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- Multi-component refrigeration process for liquefaction of natural gas100US 5,950,453 AExxon Production Research Company · 1999
- Integrated high pressure NGL recovery in the production of liquefied natural gas94US 6,662,589 B1Air Products and Chemicals, Inc. · 2003
- Hybrid cycle for the production of liquefied natural gas77US 6,308,531 B1Air Products and Chemicals, Inc. · 2001