F25B 2321/00
Details of machines, plants or systems, using electric or magnetic effects
F25B2321/00 (Details of machines, plants or systems, using electric or magnetic effects) appears on 1,486 US grants and 1,898 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,486
- Published applications
- 1,898
- Assignees
- 796
- Inventors
- 3,225
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 21 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 23 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 3 |
| 2002 | 18 | 20 |
| 2003 | 34 | 27 |
| 2004 | 30 | 32 |
| 2005 | 18 | 52 |
| 2006 | 25 | 55 |
| 2007 | 29 | 46 |
| 2008 | 18 | 55 |
| 2009 | 18 | 47 |
| 2010 | 25 | 52 |
| 2011 | 27 | 58 |
| 2012 | 22 | 56 |
| 2013 | 34 | 61 |
| 2014 | 36 | 79 |
| 2015 | 40 | 90 |
| 2016 | 57 | 85 |
| 2017 | 96 | 127 |
| 2018 | 84 | 136 |
| 2019 | 90 | 133 |
| 2020 | 93 | 141 |
| 2021 | 85 | 111 |
| 2022 | 97 | 96 |
| 2023 | 82 | 86 |
| 2024 | 80 | 91 |
| 2025 | 82 | 89 |
| 2026 | 39 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2321/02Details of machines, plants or systems, using electric or magnetic effects: usingIndexing code1,037
- F25B 2321/002Details of machines, plants or systems, using electric or magnetic effects: byIndexing code341
- F25B 2321/001Details of machines, plants or systems, using electric or magnetic effects: byIndexing code73
- F25B 2321/003Details of machines, plants or systems, using electric or magnetic effects: byIndexing code40
Recent patents
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Thermoelectric coupler for selective heat transfer between coolant loops in a device cooling system1 Sep 2026US 12,723,785 B2Microsoft Technology Licensing, LLC
- Thermoelectric cooling assembly and beauty instrument25 Aug 2026US 12,716,623 B2Shenzhen Jvk Medical Instruments Co., Ltd.
- Refrigerator18 Aug 2026US 12,710,214 B2LG Electronics Inc.
- Laser level cooling11 Aug 2026US 12,706,438 B2Stanley Black & Decker, Inc.
- Tempering device for controlling the temperature of a living being8 Oct 2026US 2026/0306315 A1Kohlbrat & Bunz Gesellschaft mbH
- Heat dissipation control method and heat sink system8 Oct 2026US 2026/0309377 A1Tilta Inc.
- Magnetic refrigeration device and liquefaction device using low-temperature pump24 Sep 2026US 2026/0287219 A1National Institute for Materials Science
- Capillary-stabilized solid-state heat extraction architecture24 Sep 2026US 2026/0287220 A1
- Multi-staged cascading thermoelectric cooling system for use in a frozen fish food feeding apparatus17 Sep 2026US 2026/0271893 A1Manta Systems, LLC
Most cited
By later US patents
- Therapeutic hypothermia instrument303US 4,483,341 AAtlantic Richfield Company · 1984
- Medical dispensing drawer and thermoelectric device for cooling the contents therein232US 5,661,978 APyxis Corporation · 1997
- Cryoprobe based on a peltier module229US 6,017,337 A2000
- Thermoelectric heat exchanger227US 6,119,463 AAmerigon Incorporated · 2000
- Thermoelectric heat exchanger196US 6,223,539 B1Amerigon Incorporated · 2001