F25J 2215/10
Hydrogen
F25J2215/10 (Hydrogen) appears on 43 US grants and 55 published applications in this corpus.
Search patents in F25J- Granted patents
- 43
- Published applications
- 55
- Assignees
- 28
- Inventors
- 136
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 5 |
| 2022 | 3 | 6 |
| 2023 | 5 | 16 |
| 2024 | 6 | 4 |
| 2025 | 4 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for transforming a product22 Sep 2026US 12,742,521 B2Eifhytec
- Facility and method for supplying liquefied hydrogen7 Jul 2026US 12,674,549 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.
- 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
- Method of hydrogen liquefaction using optimized claude refrigeration cycles6 Jan 2026US 12,516,877 B2Evergreen Cryogenics Inc.
- Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles2 Apr 2026US 2026/0092734 A1Evergreen Cryogenics Inc.
- Unit for separating a mixture of carbon monoxide, hydrogen and methane by cryogenic distillation1 Jan 2026US 2026/0002730 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Plant and method for producing liquefied hydrogen2 Oct 2025US 2025/0305763 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and plant for providing a nitrogen product, an oxygen product and a hydrogen product28 Aug 2025US 2025/0271208 A1Linde Aktiengesellschaft
- Hydrogen cooling31 Jul 2025US 2025/0244075 A1
Most cited
By later US patents
- Apparatus for the separation, and storage of hydrogen gas19US 4,002,553 A1977
- Process and apparatus for producing a gas of high purity by vaporization of a cryogenic liquid15US 4,579,566 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1986
- Cryogenic recovery of high purity hydrogen9US 4,756,730 ASanta Fe Braun Inc. · 1988
- Recovery of dissolved light gases from a liquid stream9US 5,167,125 AAir Products and Chemicals, Inc. · 1992
- Method and apparatus for removing trace quantities of impurities from liquified bulk gases7US 5,737,941 AAir Products and Chemicals, Inc. · 1998