- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
Patent holdings for IPC class F24F 11/61
Total number of patents in this class: 1449
10-year publication summary
|
39
|
54
|
91
|
116
|
114
|
157
|
169
|
102
|
70
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5732 |
237 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
236 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
206 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2101 |
61 |
| Mitsubishi Electric Corporation | 48236 |
51 |
| Samsung Electronics Co., Ltd. | 158605 |
45 |
| Midea Group Co., Ltd. | 5060 |
44 |
| Tyco Fire & Security GmbH | 3675 |
37 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
36 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 768 |
33 |
| Daikin Industries, Ltd. | 10513 |
31 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 144 |
22 |
| Lennox Industries Inc. | 1114 |
21 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 271 |
19 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 342 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
15 |
| Google LLC | 44674 |
15 |
| Johnson Controls Light Commercial IP GmbH | 372 |
14 |
| Resideo USA LLC | 1206 |
14 |
| LG Electronics Inc. | 75910 |
13 |
| Other owners | 283 |