- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/86 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
Patent holdings for IPC class F24F 11/86
Total number of patents in this class: 1123
10-year publication summary
|
3
|
33
|
93
|
113
|
111
|
102
|
137
|
114
|
75
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5645 |
133 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2422 |
127 |
| Mitsubishi Electric Corporation | 47556 |
124 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1915 |
119 |
| Daikin Industries, Ltd. | 10375 |
69 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2001 |
55 |
| Lennox Industries Inc. | 1083 |
53 |
| GREE Electric Appliances, Inc. of Zhuhai | 3276 |
34 |
| Samsung Electronics Co., Ltd. | 153573 |
32 |
| Midea Group Co., Ltd. | 4833 |
31 |
| Tyco Fire & Security GmbH | 3533 |
21 |
| Fujitsu General Limited | 600 |
18 |
| Copeland LP | 690 |
16 |
| Johnson Controls Light Commercial IP GmbH | 370 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
15 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 246 |
14 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 741 |
13 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
13 |
| Trane International Inc. | 1214 |
12 |
| LG Electronics Inc. | 74953 |
11 |
| Other owners | 197 |