- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/64 - Electronic processing using pre-stored data
Patent holdings for IPC class F24F 11/64
Total number of patents in this class: 4719
10-year publication summary
|
49
|
52
|
118
|
293
|
448
|
479
|
498
|
556
|
392
|
211
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5504 |
787 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2381 |
764 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1874 |
689 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1874 |
223 |
| Mitsubishi Electric Corporation | 46672 |
205 |
| Tyco Fire & Security GmbH | 3430 |
139 |
| Midea Group Co., Ltd. | 4635 |
137 |
| Daikin Industries, Ltd. | 10118 |
119 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
113 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 667 |
83 |
| Lennox Industries Inc. | 1131 |
69 |
| Samsung Electronics Co., Ltd. | 148173 |
53 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
49 |
| Carrier Corporation | 4296 |
49 |
| LG Electronics Inc. | 73763 |
43 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 222 |
43 |
| Honeywell International Inc. | 13564 |
34 |
| Resideo LLC | 1306 |
28 |
| Google LLC | 42794 |
27 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 276 |
26 |
| Other owners | 1039 |