F25B 2321/002
Details of machines, plants or systems, using electric or magnetic effects: by
Official title: by using magneto-caloric effects
F25B2321/002 (Details of machines, plants or systems, using electric or magnetic effects: by) appears on 341 US grants and 433 published applications in this corpus.
Search patents in F25B- Granted patents
- 341
- Published applications
- 433
- Assignees
- 157
- Inventors
- 653
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 2 |
| 2003 | 6 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 7 |
| 2006 | 2 | 3 |
| 2007 | 2 | 9 |
| 2008 | 0 | 11 |
| 2009 | 6 | 15 |
| 2010 | 2 | 13 |
| 2011 | 4 | 30 |
| 2012 | 9 | 24 |
| 2013 | 11 | 20 |
| 2014 | 17 | 23 |
| 2015 | 13 | 26 |
| 2016 | 16 | 30 |
| 2017 | 34 | 23 |
| 2018 | 31 | 35 |
| 2019 | 30 | 36 |
| 2020 | 17 | 34 |
| 2021 | 16 | 13 |
| 2022 | 15 | 16 |
| 2023 | 12 | 13 |
| 2024 | 14 | 14 |
| 2025 | 17 | 20 |
| 2026 | 3 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating magnetic field generation device, magnetic refrigeration device, and hydrogen liquefaction device31 Mar 2026US 12,590,739 B2Hitachi, Ltd.
- Device and method for magnetic refrigeration24 Mar 2026US 12,584,663 B2Mitsubishi Electric Corporation
- Method for the stabilisation and/or open-loop and/or closed-loop control of a working temperature, heat exchanger unit, device for transporting energy, refrigerating machine and heat pump17 Mar 2026US 12,578,125 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Regenerator for a magnetic heat exchanger and heat exchanger25 Nov 2025US 12,480,690 B2Vacuumschmelze GmbH & Co.KG
- High-entropy alloys (HEAs), methods for making HEAs, and uses thereof14 Oct 2025US 12,442,061 B1The United States of America as represented by the Secretary of the Navy
- Magnetic refrigeration device and liquefaction device using low-temperature pump24 Sep 2026US 2026/0287219 A1National Institute for Materials Science
- Fluidic control device in particular for a magnetocaloric machine, and magnetocaloric machine equipped with such a device10 Sep 2026US 2026/0266515 A1magnoric
- Cartridge-replaceable magnetic cooling system27 Aug 2026US 2026/0251361 A1Korea Institute of Materials Science
- Magnetic cooling device and cooling cycle apparatus27 Aug 2026US 2026/0251362 A1Samsung Electronics Co., Ltd.
- Magnetic refrigeration system and facility20 Aug 2026US 2026/0243477 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Therapeutic hypothermia instrument303US 4,483,341 AAtlantic Richfield Company · 1984
- High temperature refrigerator114US 4,107,935 AThe United States of America as represented by the United States Department of Energy · 1978
- Active magnetic regenerator109US 4,332,135 AThe United States of America as respresented by the United States Department of Energy · 1982
- Low-temperature magnetic refrigerator103US 4,507,927 AThe United States of America as represented by the United States Department of Energy · 1985
- Magnetic refrigerating device and magnetic refrigerating method101US 8,099,964 B2Kabushiki Kaisha Toshiba · 2012