- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 21/02 - Machines, plants or systems, using electric or magnetic effects using Nernst-Ettinghausen effect
Patent holdings for IPC class F25B 21/02
Total number of patents in this class: 1543
10-year publication summary
|
129
|
174
|
181
|
145
|
180
|
119
|
114
|
103
|
109
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 71039 |
118 |
| Whirlpool Corporation | 4333 |
41 |
| GENTHERM Incorporated | 283 |
29 |
| Carrier Corporation | 4451 |
22 |
| Hyundai Motor Company | 20483 |
20 |
| B/E Aerospace, Inc. | 1562 |
20 |
| Sheetak, Inc. | 50 |
20 |
| Phononic, Inc. | 70 |
20 |
| Samsung Electronics Co., Ltd. | 139001 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
19 |
| Ambassador Asset Management Limited Partnership | 21 |
19 |
| Ember Technologies, Inc. | 117 |
18 |
| II-VI Delaware, Inc. | 1717 |
12 |
| Kelk Ltd. | 151 |
12 |
| Yeti Coolers, LLC | 1374 |
12 |
| Haier Smart Home Co., Ltd. | 5310 |
11 |
| Frore Systems Inc. | 95 |
11 |
| TEGway Co., Ltd. | 40 |
10 |
| The Boeing Company | 19911 |
9 |
| LG Innotek Co., Ltd. | 7242 |
9 |
| Other owners | 1092 |