- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 140/12 - Heat-exchange fluid pressure
Patent holdings for IPC class F24F 140/12
Total number of patents in this class: 174
10-year publication summary
|
10
|
7
|
15
|
20
|
21
|
25
|
21
|
17
|
12
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46757 |
27 |
| Lennox Industries Inc. | 1131 |
14 |
| Daikin Industries, Ltd. | 10133 |
13 |
| Samsung Electronics Co., Ltd. | 148584 |
9 |
| LG Electronics Inc. | 73818 |
9 |
| Johnson Controls Light Commercial IP GmbH | 369 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 671 |
8 |
| Midea Group Co., Ltd. | 4643 |
7 |
| Tyco Fire & Security GmbH | 3433 |
7 |
| Johnson Controls Technology Company | 1415 |
6 |
| Haier Smart Home Co., Ltd. | 5516 |
6 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1878 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
4 |
| Kentuckiana Curb Co., Inc | 20 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2385 |
4 |
| Carrier Corporation | 4297 |
3 |
| Copeland LP | 700 |
3 |
| Chicony Power Technology Co., Ltd. | 276 |
2 |
| Fujitsu General Limited | 626 |
2 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 226 |
2 |
| Other owners | 30 |