F25J 1/0007
Helium
Official title: {Helium}
F25J1/0007 (Helium) appears on 85 US grants and 87 published applications in this corpus.
Search patents in F25J- Granted patents
- 85
- Published applications
- 87
- Assignees
- 52
- Inventors
- 213
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 7 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 4 | 10 |
| 2018 | 1 | 4 |
| 2019 | 7 | 7 |
| 2020 | 6 | 5 |
| 2021 | 4 | 5 |
| 2022 | 3 | 5 |
| 2023 | 3 | 7 |
| 2024 | 6 | 13 |
| 2025 | 5 | 0 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lunar regolith processing system for mining and beneficiation8 Sep 2026US 12,729,625 B2Interlune Corporation
- 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
- Device and method for liquefying a fluid such as hydrogen and/or helium6 Jan 2026US 12,516,878 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Hydrogen or helium throttling liquefaction system using direct current flow from the cold and hot ends of the regenerative cryocoolers23 Dec 2025US 12,504,225 B2Zhejiang University
- Device and method for liquefying a fluid such as hydrogen and/or helium16 Dec 2025US 12,498,171 B2L 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
- Device for purifying and liquefying helium and associated method20 Aug 2026US 2026/0243504 A1Bruker Switzerland AG
- Installation and method for producing liquefied hydrogen13 Aug 2026US 2026/0235348 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for precooling in hydrogen or helium liquefaction processing9 Jul 2026US 2026/0194293 A1Air Water Gas Solutions, Inc.
- Low noise liquid helium reliquifying circulation apparatus28 May 2026US 2026/0146786 A1Korea Research Institute of Standards and Science
Most cited
By later US patents
- Gas liquefaction method using natural gas and mixed gas refrigeration39US 6,694,774 B1Praxair Technology, Inc. · 2004
- Process to produce liquid cryogen36US 4,778,497 AUnion Carbide Corporation · 1988
- System for producing cryogenic liquid36US 5,836,173 APraxair Technology, Inc. · 1998
- Method of and apparatus for the generation of cold35US 4,169,361 ALinde Aktiengesellschaft · 1979
- Cryogenic pulse tube system35US 6,374,617 B1Praxair Technology, Inc. · 2002