F25B 2309/14181
The valves being of the rotary type
Official title: the valves being of the rotary type
F25B2309/14181 (The valves being of the rotary type) appears on 31 US grants and 35 published applications in this corpus.
Search patents in F25B- Granted patents
- 31
- Published applications
- 35
- Assignees
- 16
- Inventors
- 56
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 5 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary valve of cryocooler and cryocooler30 Apr 2024US 11,971,108 B2Sumitomo Heavy Industries, Ltd.
- Co-axtal, double-inlet valve for pulse tube cryocooler14 Mar 2023US 11,604,010 B2Sumitomo (SHI) Cryogenics of America, Inc.
- Cryocooler and control device of cryocooler26 Oct 2021US 11,156,387 B2Sumitomo Heavy Industries, Ltd.
- Pulse tube cryocooler and rotary valve unit for pulse tube cryocooler1 Jun 2021US 11,022,353 B2Sumitomo Heavy Industries, Ltd.
- Cryocooler and rotary valve mechanism4 Feb 2020US 10,551,093 B2Sumitomo Heavy Industries, Ltd.
- Gas replacement method for expander of cryocooler, cryocooler, and gas replacement pipe19 Dec 2024US 2024/0418438 A1Sumitomo Heavy Industries, Ltd.
- Regenerative cryogenic machine13 Oct 2022US 2022/0325922 A1Absolut System
- Co-axial double-inlet valve for pulse tube cryocooler3 Mar 2022US 2022/0065500 A1Sumitomo (SHI) Cryogenics of America, Inc.
- Rotary valve of cryocooler and cryocooler11 Mar 2021US 2021/0071767 A1Sumitomo Heavy Industries, Ltd.
- Pulse tube cryocooler and rotary valve unit for pulse tube cryocooler2 Jan 2020US 2020/0003466 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Pulse-tube cryorefrigeration apparatus using an integrated buffer volume38US 6,378,312 B1Cryomech, Inc. · 2002
- Pulse tube refrigerator24US 5,974,807 ASuzuki Shokan Co., Ltd. · 1999
- Multistage type pulse tube refrigerator22US 5,711,156 AAisin Seiki Kabushiki Kaisha · 1998
- Pulse tube refrigerator17US 6,094,921 AAisin Seiki Kabushiki Kaisha · 2000
- Pulse tube refrigerator13US 5,515,685 AIwatani Plantech Corporation · 1996