F25B 21/02
Machines, plants or systems, using electric or magnetic effects: using peltier effect
Official title: using Peltier effect; using Nernst-Ettinghausen effect
F25B21/02 (Machines, plants or systems, using electric or magnetic effects: using peltier effect) appears on 2,239 US grants and 2,549 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,239
- Published applications
- 2,549
- Assignees
- 1,165
- Inventors
- 4,708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 15 | 0 |
| 1982 | 17 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 16 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 17 | 0 |
| 1989 | 16 | 0 |
| 1990 | 18 | 0 |
| 1991 | 31 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 20 | 0 |
| 1996 | 34 | 0 |
| 1997 | 29 | 0 |
| 1998 | 35 | 0 |
| 1999 | 54 | 0 |
| 2000 | 51 | 0 |
| 2001 | 40 | 13 |
| 2002 | 65 | 44 |
| 2003 | 62 | 45 |
| 2004 | 40 | 56 |
| 2005 | 25 | 63 |
| 2006 | 34 | 81 |
| 2007 | 40 | 68 |
| 2008 | 30 | 80 |
| 2009 | 22 | 82 |
| 2010 | 33 | 76 |
| 2011 | 43 | 59 |
| 2012 | 32 | 81 |
| 2013 | 44 | 96 |
| 2014 | 47 | 137 |
| 2015 | 60 | 118 |
| 2016 | 94 | 121 |
| 2017 | 112 | 155 |
| 2018 | 102 | 159 |
| 2019 | 105 | 137 |
| 2020 | 123 | 159 |
| 2021 | 112 | 138 |
| 2022 | 115 | 138 |
| 2023 | 110 | 123 |
| 2024 | 98 | 120 |
| 2025 | 106 | 124 |
| 2026 | 62 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of controlling the environment in a grow room6 Oct 2026US 12,751,465 B2JDS Consulting
- Unmanned aerial vehicle (UAV) landing systems6 Oct 2026US 12,756,053 B2United Parcel Service of America, Inc.
- Cooled container and method for distributing cooled items22 Sep 2026US 12,742,583 B2MEDSZGO Holding BV
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Apparel thermo-regulatory system15 Sep 2026US 12,733,697 B2NIKE, 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.
- Portable Cooling Device1 Oct 2026US 2026/0298510 A1
- Thermal chamber type cooling plate structure with improved cooling performance24 Sep 2026US 2026/0287221 A1SHENB Co., Ltd.
- Advanced thermal management systems with thermoelectric cold plate coolant system24 Sep 2026US 2026/0287229 A1
Most cited
By later US patents
- Temperature controlled cooling system395US 5,097,829 A1992
- Storage device for the delivery and pickup of goods349US 5,774,053 A1998
- Cooling system for computer299US 5,731,954 A1998
- Blanket assembly and selectively adjustable apparatus for providing heated or cooled air thereto255US 4,777,802 A1988
- Temperature control apparatus240US 4,865,986 ACoy Corporation · 1989