- 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: 1594
10-year publication summary
|
124
|
172
|
177
|
144
|
175
|
118
|
113
|
104
|
111
|
81
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73210 |
120 |
| Samsung Electronics Co., Ltd. | 146534 |
50 |
| Whirlpool Corporation | 4427 |
41 |
| GENTHERM Incorporated | 301 |
27 |
| Phononic, Inc. | 75 |
21 |
| Hyundai Motor Company | 22044 |
20 |
| Ambassador Asset Management Limited Partnership | 22 |
20 |
| B/E Aerospace, Inc. | 1656 |
20 |
| Sheetak, Inc. | 50 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
19 |
| Carrier Corporation | 4297 |
17 |
| Yeti Coolers, LLC | 1452 |
16 |
| Ember Technologies, Inc. | 119 |
15 |
| II-VI Delaware, Inc. | 1679 |
12 |
| Kelk Ltd. | 154 |
12 |
| LG Innotek Co., Ltd. | 7659 |
11 |
| Haier Smart Home Co., Ltd. | 5468 |
11 |
| Frore Systems Inc. | 101 |
11 |
| TEGway Co., Ltd. | 42 |
10 |
| The Boeing Company | 20057 |
9 |
| Other owners | 1112 |