F25B 2321/0021
With a static fixed magnet
Official title: with a static fixed magnet
F25B2321/0021 (With a static fixed magnet) appears on 144 US grants and 138 published applications in this corpus.
Search patents in F25B- Granted patents
- 144
- Published applications
- 138
- Assignees
- 74
- Inventors
- 265
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 4 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 2 | 6 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 7 |
| 2013 | 3 | 3 |
| 2014 | 2 | 3 |
| 2015 | 0 | 5 |
| 2016 | 3 | 5 |
| 2017 | 7 | 5 |
| 2018 | 12 | 28 |
| 2019 | 16 | 16 |
| 2020 | 10 | 10 |
| 2021 | 7 | 4 |
| 2022 | 5 | 7 |
| 2023 | 5 | 6 |
| 2024 | 4 | 3 |
| 2025 | 6 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic heat pump and magnetic refrigeration cycle apparatus30 Sep 2025US 12,429,255 B2Mitsubishi Electric Corporation
- Cooling device comprising a paramagnetic garnet ceramic26 Aug 2025US 12,398,931 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Magnetic refrigeration device and refrigeration cycle device22 Jul 2025US 12,366,388 B2Mitsubishi Electric Corporation
- Adiabatic demagnetization apparatus1 Jul 2025US 12,345,449 B2Kiutra GmbH
- Solid-state refrigeration device27 May 2025US 12,313,314 B2Daikin Industries, Ltd.
- Cartridge-replaceable magnetic cooling system27 Aug 2026US 2026/0251361 A1Korea Institute of Materials Science
- Temperature-control device for controlling the temperature of a fluid and a method for controlling the temperature of a fluid12 Mar 2026US 2026/0071788 A1Helmholtz-Zentrum Dresden-Rossendorf E. V.
- Adiabatic demagnetization apparatus4 Dec 2025US 2025/0369660 A1Kiutra GmbH
- Refrigerator employing rotating magnetic array device and magnetic cooling apparatus18 Sep 2025US 2025/0290672 A1Samsung Electronics Co., Ltd.
- Refrigerator employing rotating magnetic array device and magnetic cooling apparatus18 Sep 2025US 2025/0290673 A1Samsung Electronics Co., Ltd.
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