F25B 2309/002
Gas cycle refrigeration machines: with parallel working cold producing expansion devices in
Official title: with parallel working cold producing expansion devices in one circuit
F25B2309/002 (Gas cycle refrigeration machines: with parallel working cold producing expansion devices in) appears on 35 US grants and 26 published applications in this corpus.
Search patents in F25B- Granted patents
- 35
- Published applications
- 26
- Assignees
- 20
- Inventors
- 78
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Refrigeration cycle device29 Nov 2022US 11,512,880 B2Mitsubishi Electric Corporation
- GM cryocooler and method of operating GM cryocooler9 Aug 2022US 11,408,406 B2Sumitomo Heavy Industries, Ltd.
- GM cryocooler28 Jun 2022US 11,371,754 B2Sumitomo Heavy Industries, Ltd.
- Regenerator for a cryo-cooler that uses helium as a working gas17 May 2022US 11,333,406 B2Pressure Wave Systems GmbH
- Refrigeration system including micro compressor-expander thermal units3 Dec 2019US 10,495,352 B2Emerald Energy NW, LLC
- Regenerator For A Cryo-Cooler That Uses Helium As A Working Gas24 Feb 2022US 2022/0057114 A9Pressure Wave Systems GmbH
- Refrigeration cycle device13 Feb 2020US 2020/0049383 A1Mitsubishi Electric Corporation
- Regenerator For A Cryo-Cooler That Uses Helium As A Working Gas24 Oct 2019US 2019/0323737 A1Pressure Wave Systems GmbH
- Gm cryocooler and method of operating gm cryocooler17 Oct 2019US 2019/0316574 A1Sumitomo Heavy Industries, Ltd.
- Gm cryocooler28 Mar 2019US 2019/0093927 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Electronically controlled cryopump and network interface101US 5,265,431 AHelix Technology Corporation · 1993
- Electronically controlled cryopump and network interface90US 5,176,004 AHelix Technology Corporation · 1993
- Multi-headed cryopump apparatus28US 5,010,737 AAisin Seiki Kabushiki Kaisha · 1991
- Cooling system for HTS machines17US 6,347,522 B1American Superconductor Corporation · 2002
- Helium management control system17US 7,127,901 B2Brooks Automation, Inc. · 2006