F25B 2309/1415
Pulse-tube cycles characterised by regenerator details
F25B2309/1415 (Pulse-tube cycles characterised by regenerator details) appears on 60 US grants and 69 published applications in this corpus.
Search patents in F25B- Granted patents
- 60
- Published applications
- 69
- Assignees
- 42
- Inventors
- 128
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 8 |
| 2006 | 3 | 3 |
| 2007 | 4 | 2 |
| 2008 | 2 | 2 |
| 2009 | 3 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 6 |
| 2016 | 2 | 2 |
| 2017 | 4 | 5 |
| 2018 | 6 | 6 |
| 2019 | 6 | 6 |
| 2020 | 3 | 1 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid double-inlet valve for pulse tube cryocooler6 Oct 2026US 12,753,954 B2Sumitomo (SHI) Cryogenics of America, 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
- Sub-kelvin temperature zone refrigeration mechanism8 Jul 2025US 12,352,488 B2Shanghai Institute of Technical Physics, Chinese Academy of Sciences
- Heat exchanger with a glass body31 Dec 2024US 12,181,229 B2Raytheon Company
- Coaxial pulse tube cryocoolers26 Nov 2024US 12,152,821 B1Boscryo LLC
- Cryogenic Refrigeration Heat Exchange Systems and Methods3 Sep 2026US 2026/0258985 A1Boston Cryogenics LLC
- Regenerator material for cryocooler, regenerator for cryocooler, and cryocooler21 Nov 2024US 2024/0384897 A1Sumitomo Heavy Industries, Ltd.
- Sub-kelvin temperature zone refrigeration mechanism28 Mar 2024US 2024/0102701 A1Shanghai Institute of Technical Physics, Chinese Academy of Sciences
- Regenerator for a Cryo-Cooler With Helium as a Working Gas and as a Heat-Storing Material2 Nov 2023US 2023/0349596 A1Pressure Wave Systems GmbH
- Cold storage material particle, cold storage device, refrigerator, cryopump, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, magnetic field application type single crystal pulling apparatus, and method for producing cold storage material particle7 Sep 2023US 2023/0279281 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Traveling-wave device with mass flux suppression49US 6,032,464 AThe Regents of the University of California · 2000
- Multi-bypass pulse tube refrigerator44US 5,295,355 ACryogenic Laboratory of Chinese Academy of Sciences · 1994
- Assembly method for concentric foil regenerators29US 6,347,453 B12002
- Cooling system having a plurality of cooling stages in which refrigerant-filled chamber type refrigerators are used17US 5,711,157 AKabushiki Kaisha Toshiba · 1998
- Pulse tube refrigerator with cartridge type regenerator12US 6,343,475 B12002