- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/32 - Responding to malfunctions or emergencies
Patent holdings for IPC class F24F 11/32
Total number of patents in this class: 574
10-year publication summary
|
18
|
29
|
53
|
60
|
81
|
75
|
67
|
56
|
63
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45860 |
53 |
| Daikin Industries, Ltd. | 9971 |
35 |
| Tyco Fire & Security GmbH | 3166 |
34 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2361 |
26 |
| Haier Smart Home Co., Ltd. | 5428 |
26 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1854 |
25 |
| PassiveLogic, Inc. | 208 |
23 |
| Lennox Industries Inc. | 1112 |
19 |
| Honeywell International Inc. | 13562 |
15 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1802 |
13 |
| Johnson Controls Technology Company | 1454 |
12 |
| GREE Electric Appliances, Inc. of Zhuhai | 3221 |
12 |
| Midea Group Co., Ltd. | 4489 |
12 |
| Trane International Inc. | 1175 |
11 |
| Carrier Corporation | 4358 |
10 |
| Belimo Holding AG | 269 |
10 |
| LG Electronics Inc. | 72559 |
8 |
| Johnson Controls Light Commercial IP GmbH | 306 |
8 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 598 |
7 |
| Google LLC | 41903 |
7 |
| Other owners | 208 |