F25J 1/0067
Hydrogen
Official title: {Hydrogen}
F25J1/0067 (Hydrogen) appears on 42 US grants and 86 published applications in this corpus.
Search patents in F25J- Granted patents
- 42
- Published applications
- 86
- Assignees
- 23
- Inventors
- 174
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 7 |
| 2019 | 4 | 2 |
| 2020 | 3 | 5 |
| 2021 | 1 | 2 |
| 2022 | 4 | 9 |
| 2023 | 4 | 20 |
| 2024 | 4 | 16 |
| 2025 | 7 | 13 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquefied hydrogen production device22 Sep 2026US 12,742,590 B2Jgc Corporation
- 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
- Cryogenic gas cooling system and method16 Jun 2026US 12,656,057 B2Chart Energy & Chemicals, Inc.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, 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
- 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
- Facility and method for the liquefaction of hydrogen5 Feb 2026US 2026/0036361 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for precooling a hydrogen feed stream with concurrent nitrogen liquefaction5 Feb 2026US 2026/0036362 A1
Most cited
By later US patents
- Process and apparatus for liquefying hydrogen15US 7,559,213 B2Air Products and Chemicals, Inc. · 2009
- Method for liquefaction of industrial gas by integration of methanol plant and air separation unit13US 10,288,346 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2019
- Integration of industrial gas site with liquid hydrogen production13US 10,634,425 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2020
- Method of obtaining refrigeration at cryogenic level13US 4,189,930 A1980
- Method for liquefaction of industrial gas by integration of methanol plant and air separation unit12US 10,281,203 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2019