F25B 2309/006
Gas cycle refrigeration machines: using a distributing valve of the rotary type
Official title: using a distributing valve of the rotary type
F25B2309/006 (Gas cycle refrigeration machines: using a distributing valve of the rotary type) appears on 50 US grants and 43 published applications in this corpus.
Search patents in F25B- Granted patents
- 50
- Published applications
- 43
- Assignees
- 28
- Inventors
- 84
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 5 |
| 2018 | 1 | 1 |
| 2019 | 4 | 2 |
| 2020 | 1 | 4 |
| 2021 | 0 | 3 |
| 2022 | 5 | 1 |
| 2023 | 2 | 0 |
| 2024 | 4 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryocooler and method for operating cryocooler6 Jan 2026US 12,516,858 B2Sumitomo Heavy Industries, Ltd.
- Pneumatically actuated cryocooler28 Jan 2025US 12,209,785 B2The United States of America as represented by the Secretary of the Navy
- Rotary valve of cryocooler and cryocooler30 Apr 2024US 11,971,108 B2Sumitomo Heavy Industries, Ltd.
- Air distribution mechanism and cryogenic refrigerator using same5 Mar 2024US 11,920,844 B2Csic Pride (Nanjing) Cryogenic Technology Co., Ltd.
- Pneumatically actuated cryocooler27 Feb 2024US 11,913,697 B1The United States of America as represented by the Secretary of the Navy
- Gas replacement method for expander of cryocooler, cryocooler, and gas replacement pipe19 Dec 2024US 2024/0418438 A1Sumitomo Heavy Industries, Ltd.
- Pneumatically Actuated Cryocooler1 Aug 2024US 2024/0255191 A1The United States of America as represented by the Secretary of the Navy
- Cryocooler and method for operating cryocooler28 Mar 2024US 2024/0102705 A1Sumitomo Heavy Industries, Ltd.
- Reversible pneumatic drive expander3 Mar 2022US 2022/0065499 A1Sumitomo (SHI) Cryogenics of America, Inc.
- Self-pressure-relief air distribution mechanism and cryogenic refrigerator using same8 Jul 2021US 2021/0207852 A1Csic Pride (Nanjing) Cryogenic Technology Co., Ltd.
Most cited
By later US patents
- Pulse-tube cryorefrigeration apparatus using an integrated buffer volume38US 6,378,312 B1Cryomech, Inc. · 2002
- Cryogenic refrigerator34US 5,361,588 ASumitomo Heavy Industries, Ltd. · 1994
- Reduced vibration cooling device having pneumatically-driven GM type displacer29US 6,256,997 B1Intermagnetics General Corporation · 2001
- Multistage type pulse tube refrigerator22US 5,711,156 AAisin Seiki Kabushiki Kaisha · 1998
- Multistage low-temperature refrigeration machine18US 6,263,677 B1Leybold Vakuum GmbH · 2001