F25B 2309/003
Gas cycle refrigeration machines: characterised by construction or composition of the regenerator
Official title: characterised by construction or composition of the regenerator
F25B2309/003 (Gas cycle refrigeration machines: characterised by construction or composition of the regenerator) appears on 228 US grants and 130 published applications in this corpus.
Search patents in F25B- Granted patents
- 228
- Published applications
- 130
- Assignees
- 106
- Inventors
- 337
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 9 |
| 2005 | 3 | 9 |
| 2006 | 6 | 6 |
| 2007 | 6 | 6 |
| 2008 | 3 | 2 |
| 2009 | 4 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 6 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 5 | 6 |
| 2016 | 4 | 5 |
| 2017 | 6 | 11 |
| 2018 | 6 | 6 |
| 2019 | 9 | 4 |
| 2020 | 4 | 7 |
| 2021 | 3 | 4 |
| 2022 | 8 | 9 |
| 2023 | 6 | 9 |
| 2024 | 4 | 6 |
| 2025 | 8 | 1 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid regenerator for cryocooler9 Jun 2026US 12,650,249 B1Boston Cryogenics LLC
- Cryosurgical probe and method of manufacturing thereof7 Apr 2026US 12,594,110 B2Metrum Cryoflex S.A.
- Cryocooler magnetic displacer spring10 Mar 2026US 12,571,566 B2Teledyne FLIR Commercial Systems, Inc.
- Multi-tiered regenerator23 Dec 2025US 12,504,237 B2ThermoLift, Inc.
- Regenerator for a cryo-cooler with helium as a working gas and as a heat-storing material18 Nov 2025US 12,474,092 B2Pressure Wave Systems GmbH
- 3K Cold Head Regenerator Design10 Sep 2026US 2026/0266514 A1Bluefors Cryocooler Technologies Inc.
- Regenerator material, refrigerator and superconducting coil incorporating apparatus19 Mar 2026US 2026/0078293 A1Kabushiki Kaisha Toshiba
- Gas refrigerating machine, method for operating a gas refrigerating machine and method for manufacturing a gas refrigerating machine having a housing26 Feb 2026US 2026/0055932 A1Justairtech GmbH
- Gas refrigerating machine, method for operating a gas refrigerating machine and method for manufacturing a gas refrigerating machine having a rotationally symmetrical design26 Feb 2026US 2026/0055933 A1Justairtech GmbH
- Gas refrigeration machine, method for operating a gas refrigeration machine, and method for producing a gas refrigeration machine in the form of an open system15 Jan 2026US 2026/0016200 A1Justairtech GmbH
Most cited
By later US patents
- Precooling system for joule-thomson probe99US 5,758,505 ACryoGen, Inc. · 1998
- Cryogenic surgical apparatus and method63US 4,206,609 AActus, Inc. · 1980
- Intrinsically irreversible heat engine59US 4,489,553 AThe United States of America as represented by the United States Department of Energy · 1984
- Cryogenic heat exchanger57US 5,901,783 ACroyogen, Inc. · 1999
- Solenoid controlled cold head for a cryogenic cooler53US 3,991,586 AThe United States of America as represented by the Secretary of the Army · 1976