F17C 5/04
Requiring the use of refrigeration
Official title: requiring the use of refrigeration, e.g. filling with helium or hydrogen
F17C5/04 (Requiring the use of refrigeration) appears on 72 US grants and 99 published applications in this corpus.
Search patents in F17C- Granted patents
- 72
- Published applications
- 99
- Assignees
- 73
- Inventors
- 221
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 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 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 4 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 5 |
| 2015 | 1 | 6 |
| 2016 | 1 | 5 |
| 2017 | 6 | 4 |
| 2018 | 3 | 7 |
| 2019 | 4 | 5 |
| 2020 | 1 | 6 |
| 2021 | 2 | 5 |
| 2022 | 4 | 6 |
| 2023 | 3 | 10 |
| 2024 | 13 | 7 |
| 2025 | 3 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct liquefaction for vehicle refueling28 Jul 2026US 12,691,752 B1Neoex Systems, Inc.
- Device and method for transferring liquid helium into an application cryostat28 Apr 2026US 12,613,000 B2
- System and method for high flow rate liquid hydrogen tank filling9 Dec 2025US 12,492,784 B2Praxair Technology, Inc.
- Method of operating a cold cryogenic liquid supply chain22 Jul 2025US 12,366,330 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic fluid coupling17 Jun 2025US 12,331,884 B2Chart Inc.
- Ship boil-off gas reliquefaction system8 Oct 2026US 2026/0307762 A1Hanwha Ocean Co., Ltd.
- Process and system with a liquid hydrogen centrifugal pump2 Jul 2026US 2026/0185665 A1
- Devices and methods for replacing tested flow meter in liquid hydrogen flow measurement standard facility2 Apr 2026US 2026/0092804 A1China Jiliang University
- System and method for high flow rate liquid hydrogen tank filling12 Feb 2026US 2026/0043520 A1
- Polymeric materials8 Jan 2026US 2026/0009505 A1
Most cited
By later US patents
- Methods and apparatus for loading compressed gas43US 6,655,155 B2EnerSea Transport LLC · 2003
- Methods and apparatus for compressed gas40US 6,725,671 B2EnerSea Transport LLC · 2004
- Method for loading pressurized liquefied natural gas into containers34US 6,237,347 B1ExxonMobil Upstream Research Company · 2001
- Hydrogen vehicle gas utilization and refueling system34US 7,325,561 B2Honda Motor Co., Ltd. · 2008
- Methods and apparatus for compressed gas31US 6,584,781 B2EnerSea Transport LLC · 2003