- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/79 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
Patent holdings for IPC class F24F 11/79
Total number of patents in this class: 924
10-year publication summary
|
5
|
13
|
20
|
40
|
83
|
112
|
116
|
103
|
131
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
156 |
| Haier Smart Home Co., Ltd. | 4882 |
152 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
103 |
| Mitsubishi Electric Corporation | 43934 |
90 |
| Daikin Industries, Ltd. | 9495 |
51 |
| LG Electronics Inc. | 69257 |
47 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
43 |
| Samsung Electronics Co., Ltd. | 131630 |
34 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
24 |
| Midea Group Co., Ltd. | 4025 |
23 |
| BEST Technologies, Inc. | 24 |
15 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
13 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
10 |
| Sharp Kabushiki Kaisha | 18957 |
8 |
| Panasonic Intellectual Property Corporation of America | 7230 |
6 |
| Chongqing Haier Air Conditioner Co., Ltd | 30 |
6 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
5 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
5 |
| Carrier Corporation | 4759 |
4 |
| Sharkninja Operating LLC | 1968 |
4 |
| Other owners | 125 |