- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/38 - Failure diagnosis
Patent holdings for IPC class F24F 11/38
Total number of patents in this class: 638
10-year publication summary
|
3
|
6
|
25
|
78
|
66
|
109
|
101
|
86
|
83
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45860 |
76 |
| Lennox Industries Inc. | 1112 |
66 |
| Daikin Industries, Ltd. | 9971 |
42 |
| Tyco Fire & Security GmbH | 3166 |
33 |
| Haier Smart Home Co., Ltd. | 5428 |
33 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2361 |
30 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1854 |
30 |
| Carrier Corporation | 4358 |
16 |
| Honeywell International Inc. | 13562 |
14 |
| Samsung Electronics Co., Ltd. | 144426 |
12 |
| GREE Electric Appliances, Inc. of Zhuhai | 3221 |
12 |
| Johnson Controls Technology Company | 1454 |
10 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 137 |
10 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 193 |
10 |
| LG Electronics Inc. | 72559 |
9 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1802 |
9 |
| Trane International Inc. | 1175 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 598 |
7 |
| Schneider Electric USA, Inc. | 1279 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
6 |
| Other owners | 197 |