- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/46 - Improving electric energy efficiency or saving
Patent holdings for IPC class F24F 11/46
Total number of patents in this class: 1601
10-year publication summary
|
78
|
153
|
155
|
213
|
191
|
176
|
160
|
157
|
164
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47240 |
111 |
| Daikin Industries, Ltd. | 10200 |
98 |
| Tyco Fire & Security GmbH | 3490 |
90 |
| Samsung Electronics Co., Ltd. | 150501 |
58 |
| Google LLC | 43317 |
55 |
| Lennox Industries Inc. | 1106 |
55 |
| Haier Smart Home Co., Ltd. | 5571 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 32795 |
43 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1892 |
43 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2399 |
41 |
| Honeywell International Inc. | 13540 |
36 |
| Carrier Corporation | 3988 |
29 |
| Johnson Controls Technology Company | 1405 |
24 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1936 |
23 |
| LG Electronics Inc. | 74135 |
22 |
| Midea Group Co., Ltd. | 4710 |
22 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 702 |
19 |
| Resideo LLC | 1314 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
15 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 933 |
15 |
| Other owners | 737 |