- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 21/02 - Machines, plants or systems, using electric or magnetic effects using Peltier effectMachines, 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: 1657
10-year publication summary
|
174
|
181
|
145
|
180
|
121
|
115
|
109
|
118
|
129
|
82
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76328 |
123 |
| Samsung Electronics Co., Ltd. | 159755 |
89 |
| Whirlpool Corporation | 4722 |
41 |
| GENTHERM Incorporated | 316 |
22 |
| Phononic, Inc. | 71 |
21 |
| Hyundai Motor Company | 25190 |
20 |
| Ambassador Asset Management Limited Partnership | 22 |
20 |
| B/E Aerospace, Inc. | 1695 |
20 |
| Sheetak, Inc. | 55 |
20 |
| Yeti Coolers, LLC | 1669 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
19 |
| Ember Technologies, Inc. | 110 |
17 |
| Carrier Corporation | 3958 |
12 |
| Coway Co., Ltd. | 797 |
12 |
| II-VI Delaware, Inc. | 1621 |
12 |
| LG Innotek Co., Ltd. | 8652 |
11 |
| Haier Smart Home Co., Ltd. | 5759 |
11 |
| Frore Systems Inc. | 117 |
11 |
| Kelk Ltd. | 156 |
10 |
| TEGway Co., Ltd. | 42 |
10 |
| Other owners | 1136 |