F25B 2309/1424
Pulse tubes with basic schematic including an orifice and a reservoir
F25B2309/1424 (Pulse tubes with basic schematic including an orifice and a reservoir) appears on 129 US grants and 86 published applications in this corpus.
Search patents in F25B- Granted patents
- 129
- Published applications
- 86
- Assignees
- 63
- Inventors
- 195
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 2 |
| 2002 | 16 | 3 |
| 2003 | 10 | 2 |
| 2004 | 1 | 6 |
| 2005 | 3 | 14 |
| 2006 | 10 | 10 |
| 2007 | 12 | 9 |
| 2008 | 4 | 14 |
| 2009 | 8 | 7 |
| 2010 | 2 | 0 |
| 2011 | 1 | 5 |
| 2012 | 0 | 1 |
| 2013 | 7 | 5 |
| 2014 | 3 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Asynchronous drive of cryocooling systems for low temperature applications12 Sep 2023US 11,754,323 B2International Business Machines Corporation
- Pulse tube refrigerating machine24 Aug 2021US 11,098,931 B2Sumitomo Heavy Industries, Ltd.
- Passive phase change cooling device5 Mar 2019US 10,222,097 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Multistage pulse tube coolers13 Nov 2018US 10,126,023 B2The Aerospace Corporation
- Multistage pulse tube coolers25 Jul 2017US 9,714,776 B2The Aerospace Corporation
- Cryocooling system26 Jun 2025US 2025/0207824 A1Government of the United States of America, AS Represented By the Secretary of Commerce
- Dynamic acoustic impedance matching for cryocoolers15 Aug 2024US 2024/0271834 A1The Regents of the University of Colorado, a body corporate
- Regenerative cryogenic machine13 Oct 2022US 2022/0325922 A1Absolut System
- Asynchronous drive of cryocooling systems for low temperature applications14 Jul 2022US 2022/0221198 A1International Business Machines Corporation
- Hybrid double-inlet valve for pulse tube cryocooler17 Feb 2022US 2022/0049878 A1Sumitomo (SHI) Cryogenics of America, Inc.
Most cited
By later US patents
- Electronics package with improved thermal management by thermoacoustic heat pumping68US 5,303,555 AInternational Business Machines Corporation · 1994
- Acoustic cryocooler58US 4,953,366 AThe United States of America as represented by the United States Department of Energy · 1990
- Multi-bypass pulse tube refrigerator44US 5,295,355 ACryogenic Laboratory of Chinese Academy of Sciences · 1994
- Pulse tube refrigerator39US 5,412,952 AKabushiki Kaisha Toshiba · 1995
- Pulse-tube cryorefrigeration apparatus using an integrated buffer volume38US 6,378,312 B1Cryomech, Inc. · 2002