F25B 2309/022
Characterised by the expansion element
Official title: characterised by the expansion element
F25B2309/022 (Characterised by the expansion element) appears on 48 US grants and 9 published applications in this corpus.
Search patents in F25B- Granted patents
- 48
- Published applications
- 9
- Assignees
- 31
- Inventors
- 73
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 5 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Miniature Joule-Thomson cryocooler operating at liquid helium temperatures3 Sep 2024US 12,078,400 B2Tsinghua University
- Thermal management systems for extended operation27 Dec 2022US 11,536,494 B1Booz Allen Hamilton Inc.
- Thermal management systems for extended operation1 Nov 2022US 11,486,607 B1Booz Allen Hamilton Inc.
- Thermal management systems for extended operation20 Sep 2022US 11,448,431 B1Booz Allen Hamilton Inc.
- Thermal management systems for extended operation26 Apr 2022US 11,313,594 B1Booz Allen Hamilton Inc.
- Joule-thomson cryocooler4 Sep 2025US 2025/0277607 A1Sumitomo Heavy Industries, Ltd.
- Miniature joule-thomson cryocooler operating at liquid helium temperatures2 Jun 2022US 2022/0170672 A1Tsinghua University
- Part for joule-thomson cooler and method for manufacturing such a part20 May 2021US 2021/0148609 A1Safran Electronics & Defense
- Refrigeration cycle for liquid oxygen densification22 Oct 2020US 2020/0333050 A1Praxair Technology, Inc.
- Compact Low-power Cryo-Cooling Systems for Superconducting Elements25 Jul 2019US 2019/0226724 A1National Institute of Standards and Technology (NIST)
Most cited
By later US patents
- Cryosurgical device148US 4,278,090 AErbe Elektromedizin GmbH · 1981
- Precooling system for joule-thomson probe99US 5,758,505 ACryoGen, Inc. · 1998
- Cryogenic heat exchanger57US 5,901,783 ACroyogen, Inc. · 1999
- Flexible catheter cryosurgical system47US 6,035,657 ACryoGen, Inc. · 2000
- Precooling system for Joule-Thomson probe46US 6,530,234 B1CryoGen, Inc. · 2003