- 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: 192
10-year publication summary
|
7
|
15
|
20
|
21
|
25
|
21
|
17
|
15
|
11
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48236 |
27 |
| Daikin Industries, Ltd. | 10513 |
15 |
| Lennox Industries Inc. | 1114 |
15 |
| Samsung Electronics Co., Ltd. | 158605 |
10 |
| LG Electronics Inc. | 75910 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 768 |
10 |
| Midea Group Co., Ltd. | 5060 |
9 |
| Tyco Fire & Security GmbH | 3675 |
9 |
| Johnson Controls Light Commercial IP GmbH | 372 |
9 |
| Johnson Controls Technology Company | 1374 |
6 |
| Haier Smart Home Co., Ltd. | 5732 |
6 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
4 |
| Kentuckiana Curb Co., Inc | 23 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
4 |
| Carrier Corporation | 3950 |
3 |
| Fujitsu General Limited | 601 |
3 |
| Copeland LP | 707 |
3 |
| Chicony Power Technology Co., Ltd. | 298 |
2 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 271 |
2 |
| Other owners | 36 |