- 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: 1325
10-year publication summary
|
2
|
4
|
43
|
118
|
129
|
146
|
163
|
136
|
175
|
119
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46757 |
125 |
| Haier Smart Home Co., Ltd. | 5516 |
109 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1878 |
105 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2385 |
98 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1888 |
64 |
| Daikin Industries, Ltd. | 10133 |
60 |
| Tyco Fire & Security GmbH | 3433 |
47 |
| Midea Group Co., Ltd. | 4643 |
40 |
| Samsung Electronics Co., Ltd. | 148584 |
39 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
39 |
| Carrier Corporation | 4297 |
29 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 671 |
28 |
| PassiveLogic, Inc. | 221 |
25 |
| Johnson Controls Light Commercial IP GmbH | 369 |
21 |
| Resideo LLC | 1311 |
20 |
| LG Electronics Inc. | 73818 |
19 |
| Lutron Technology Company LLC | 2592 |
18 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
15 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 405 |
15 |
| Foshan Shunde Midea Electric Science and Technology Co., Ltd. | 105 |
15 |
| Other owners | 394 |