F25B 2309/1411
Pulse-tube cycles characterised by control details
Official title: Pulse-tube cycles characterised by control details, e.g. tuning, phase shifting or general control
F25B2309/1411 (Pulse-tube cycles characterised by control details) appears on 63 US grants and 50 published applications in this corpus.
Search patents in F25B- Granted patents
- 63
- Published applications
- 50
- Assignees
- 40
- Inventors
- 122
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 6 |
| 2006 | 3 | 3 |
| 2007 | 7 | 6 |
| 2008 | 4 | 3 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 4 |
| 2021 | 2 | 0 |
| 2022 | 3 | 3 |
| 2023 | 2 | 0 |
| 2024 | 0 | 4 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Asynchronous drive of cryocooling systems for low temperature applications12 Sep 2023US 11,754,323 B2International Business Machines Corporation
- Co-axtal, double-inlet valve for pulse tube cryocooler14 Mar 2023US 11,604,010 B2Sumitomo (SHI) Cryogenics of America, Inc.
- GM cryocooler with buffer volume communicating with drive chamber17 May 2022US 11,333,407 B2Sumitomo Heavy Industries, Ltd.
- Cryocooler, cryocooler diagnosis device, and cryocooler diagnosis method17 May 2022US 11,333,409 B2Sumitomo Heavy Industries, Ltd.
- Cryocooler8 Feb 2022US 11,243,014 B2Sumitomo Heavy Industries, Ltd.
- Cryocooling system26 Jun 2025US 2025/0207824 A1Government of the United States of America, AS Represented By the Secretary of Commerce
- Cryocooler diagnostic system, cryocooler, and cryocooler diagnostic method19 Sep 2024US 2024/0310095 A1Sumitomo Heavy Industries, Ltd.
- Dynamic acoustic impedance matching for cryocoolers15 Aug 2024US 2024/0271834 A1The Regents of the University of Colorado, a body corporate
- Pulse tube cryocooler and method for cooling down pulse tube cryocooler13 Jun 2024US 2024/0191913 A1Sumitomo Heavy Industries, Ltd.
- Cryocooler and method for operating cryocooler2 May 2024US 2024/0142149 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Automatic ice maker using thermoacoustic refrigeration and refrigerator having the same37US 6,145,320 ADaewoo Electronics Co., Ltd. · 2000
- Pulse tube refrigerating system35US 5,275,002 AAisin Newhard Co., Ltd. · 1994
- Cooling system having plural cooling stages in which refrigerate-filled chamber type refrigerators are used32US 5,647,218 AKabushiki Kaisha Toshiba · 1997
- Hybrid-two-stage pulse tube refrigerator29US 6,256,998 B1IGCAPD Cryogenics, Inc. · 2001
- Passive frequency stabilization in an acoustic resonator24US 5,857,340 A1999