- 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: 178
10-year publication summary
|
10
|
7
|
15
|
20
|
21
|
25
|
21
|
17
|
12
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47065 |
27 |
| Lennox Industries Inc. | 1127 |
14 |
| Daikin Industries, Ltd. | 10169 |
13 |
| Samsung Electronics Co., Ltd. | 149582 |
9 |
| LG Electronics Inc. | 73936 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 694 |
9 |
| Johnson Controls Light Commercial IP GmbH | 371 |
9 |
| Midea Group Co., Ltd. | 4686 |
8 |
| Tyco Fire & Security GmbH | 3480 |
8 |
| Johnson Controls Technology Company | 1410 |
6 |
| Haier Smart Home Co., Ltd. | 5554 |
6 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1886 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3260 |
4 |
| Kentuckiana Curb Co., Inc | 20 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2393 |
4 |
| Carrier Corporation | 3993 |
3 |
| Copeland LP | 693 |
3 |
| Chicony Power Technology Co., Ltd. | 278 |
2 |
| Fujitsu General Limited | 625 |
2 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 229 |
2 |
| Other owners | 31 |