- 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: 1640
10-year publication summary
|
78
|
153
|
155
|
213
|
191
|
176
|
160
|
158
|
164
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47483 |
111 |
| Daikin Industries, Ltd. | 10261 |
101 |
| Tyco Fire & Security GmbH | 3524 |
91 |
| Samsung Electronics Co., Ltd. | 152716 |
61 |
| Google LLC | 43621 |
55 |
| Lennox Industries Inc. | 1104 |
55 |
| Haier Smart Home Co., Ltd. | 5630 |
49 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
45 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1909 |
44 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2416 |
42 |
| Honeywell International Inc. | 13604 |
37 |
| Carrier Corporation | 3976 |
29 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1996 |
26 |
| Johnson Controls Technology Company | 1402 |
24 |
| LG Electronics Inc. | 74757 |
23 |
| Midea Group Co., Ltd. | 4797 |
23 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 722 |
19 |
| Resideo LLC | 1327 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3271 |
15 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 948 |
15 |
| Other owners | 758 |