- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 21/04 - Machines, plants or systems, using electric or magnetic effects using Peltier effectMachines, plants or systems, using electric or magnetic effects using Nernst-Ettinghausen effect reversible
Patent holdings for IPC class F25B 21/04
Total number of patents in this class: 469
10-year publication summary
|
66
|
77
|
73
|
54
|
52
|
46
|
46
|
38
|
25
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72675 |
23 |
| GENTHERM Incorporated | 298 |
17 |
| Whirlpool Corporation | 4400 |
16 |
| Ambassador Asset Management Limited Partnership | 22 |
16 |
| Ember Technologies, Inc. | 119 |
16 |
| Hyundai Motor Company | 21795 |
15 |
| Phononic, Inc. | 76 |
14 |
| Sleep Solutions, Inc. | 83 |
11 |
| Yeti Coolers, LLC | 1435 |
10 |
| Lear Corporation | 1289 |
9 |
| Bio-Rad Laboratories, Inc. | 1609 |
6 |
| GENTHERM GmbH | 259 |
6 |
| TEGway Co., Ltd. | 42 |
6 |
| Kia Motors Corporation | 7758 |
5 |
| B/E Aerospace, Inc. | 1625 |
5 |
| II-VI Delaware, Inc. | 1686 |
5 |
| Tark Thermal Solutions, Inc. | 28 |
5 |
| The Regents of the University of California | 19859 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
4 |
| Kbautotech Co., Ltd. | 25 |
4 |
| Other owners | 272 |