F25J 1/0065
Helium
Official title: {Helium}
F25J1/0065 (Helium) appears on 70 US grants and 103 published applications in this corpus.
Search patents in F25J- Granted patents
- 70
- Published applications
- 103
- Assignees
- 40
- Inventors
- 227
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 3 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 0 | 4 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 4 |
| 2020 | 6 | 8 |
| 2021 | 3 | 4 |
| 2022 | 6 | 10 |
| 2023 | 5 | 15 |
| 2024 | 1 | 25 |
| 2025 | 9 | 5 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen liquefaction system and hydrogen liquefaction method29 Sep 2026US 12,747,911 B2H2CREO Corp.
- Hydrogen liquefaction system and hydrogen liquefaction method15 Sep 2026US 12,736,279 B2H2CREO Corp.
- Installation and method for liquefying a cryogenic fluid18 Aug 2026US 12,710,227 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Installation and process for production of a cryogenic fluid16 Jun 2026US 12,656,056 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- Cryogenic cooling system3 Sep 2026US 2026/0257609 A1
- 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
- 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 type boil-off gas reliquefaction system20 Aug 2026US 2026/0243505 A1Shanghai Marine Diesel Engine Research Institute
- Containerized Gas Processing System with Evacuated Processing Compartment19 Feb 2026US 2026/0049763 A1
Most cited
By later US patents
- Low temperature refrigeration process for helium or hydrogen mixtures using mixed refrigerant31US 3,992,167 AUnion Carbide Corporation · 1976
- Apparatus for a refrigeration circuit31US 4,242,885 ASulzer Brothers Limited · 1981
- Method of producing supercold temperature in cryogenic systems16US 4,161,107 A1979
- Apparatus for conveying and compressing a gaseous medium15US 4,640,667 ASulzer Brothers Limited · 1987
- Process and apparatus for liquefying hydrogen15US 7,559,213 B2Air Products and Chemicals, Inc. · 2009