- 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: 1407
10-year publication summary
|
4
|
43
|
118
|
129
|
146
|
163
|
136
|
175
|
144
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47483 |
126 |
| Haier Smart Home Co., Ltd. | 5630 |
113 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1909 |
109 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2416 |
102 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1996 |
73 |
| Daikin Industries, Ltd. | 10261 |
61 |
| Tyco Fire & Security GmbH | 3524 |
48 |
| Midea Group Co., Ltd. | 4797 |
47 |
| Samsung Electronics Co., Ltd. | 152716 |
44 |
| GREE Electric Appliances, Inc. of Zhuhai | 3271 |
40 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 722 |
32 |
| Carrier Corporation | 3976 |
30 |
| PassiveLogic, Inc. | 226 |
26 |
| LG Electronics Inc. | 74757 |
22 |
| Johnson Controls Light Commercial IP GmbH | 370 |
21 |
| Resideo LLC | 1327 |
20 |
| Lutron Technology Company LLC | 2696 |
19 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 132 |
16 |
| Foshan Shunde Midea Electric Science and Technology Co., Ltd. | 119 |
16 |
| Google LLC | 43621 |
15 |
| Other owners | 427 |