- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/88 - Electrical aspects, e.g. circuits
Patent holdings for IPC class F24F 11/88
Total number of patents in this class: 1468
10-year publication summary
|
6
|
46
|
123
|
131
|
147
|
167
|
138
|
175
|
148
|
88
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
128 |
| Haier Smart Home Co., Ltd. | 5712 |
113 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
109 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
102 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
83 |
| Daikin Industries, Ltd. | 10499 |
64 |
| Midea Group Co., Ltd. | 5028 |
54 |
| Tyco Fire & Security GmbH | 3640 |
52 |
| Samsung Electronics Co., Ltd. | 157719 |
47 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
42 |
| Carrier Corporation | 3955 |
34 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
33 |
| PassiveLogic, Inc. | 242 |
27 |
| LG Electronics Inc. | 75694 |
23 |
| Johnson Controls Light Commercial IP GmbH | 372 |
21 |
| Resideo LLC | 1218 |
21 |
| Lutron Technology Company LLC | 2749 |
20 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 140 |
18 |
| Foshan Shunde Midea Electric Science and Technology Co., Ltd. | 129 |
18 |
| Google LLC | 44482 |
15 |
| Other owners | 444 |