F25J 2260/44
Using nitrogen for cooling purposes
Official title: using nitrogen for cooling purposes
F25J2260/44 (Using nitrogen for cooling purposes) appears on 35 US grants and 63 published applications in this corpus.
Search patents in F25J- Granted patents
- 35
- Published applications
- 63
- Assignees
- 39
- Inventors
- 125
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 1 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 2 | 4 |
| 2019 | 3 | 3 |
| 2020 | 4 | 6 |
| 2021 | 0 | 2 |
| 2022 | 3 | 0 |
| 2023 | 3 | 7 |
| 2024 | 0 | 4 |
| 2025 | 0 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigeration-integrated hydrocarbon collection system and method of operation25 Aug 2026US 12,716,649 B2Oxy Low Carbon Ventures, LLC
- Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Carbon capture system and method with exhaust gas recirculation20 Jan 2026US 12,528,041 B2Chart Energy & Chemicals, Inc.
- Nitrogen process for production of ammonia and liquid hydrogen5 Dec 2023US 11,834,333 B2L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation Procedes Georges Claude
- Integration of hydrogen liquefaction with gas processing units14 Nov 2023US 11,815,309 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for producing compressed hydrogen13 Aug 2026US 2026/0234824 A1Ceres Intellectual Property Company Limited
- Cryogenic air separation enhanced gas turbine21 May 2026US 2026/0139621 A1Rtx Corporation
- Cooling facility and method29 Jan 2026US 2026/0029192 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Processing Gases18 Dec 2025US 2025/0383143 A1NET Power LLC
- Facility for recovering co2 from a feed gas flow17 Apr 2025US 2025/0121315 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Method and apparatus for cooling high temperature components in a gas turbine167US 6,487,863 B1Siemens Westinghouse Power Corporation · 2002
- Low emission energy source37US 7,191,736 B2Los Angeles Advisory Services, Inc. · 2007
- Installation producing low voltage electricity integrated in a unit separating gas from air17US 6,393,867 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Air separation16US 5,146,756 AThe BOC Group, Inc. · 1992
- Methods and systems for large scale carbon dioxide utilization from Lake Kivu via a CO2 industrial utilization hub integrated with electric power production and optional cryo-energy storage15US 10,577,248 B2Harper Biotech LLC · 2020