- 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: 1705
10-year publication summary
|
79
|
156
|
157
|
216
|
193
|
183
|
165
|
161
|
169
|
106
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
113 |
| Daikin Industries, Ltd. | 10504 |
102 |
| Tyco Fire & Security GmbH | 3652 |
99 |
| Samsung Electronics Co., Ltd. | 157946 |
67 |
| Lennox Industries Inc. | 1107 |
57 |
| Google LLC | 44540 |
55 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
51 |
| Haier Smart Home Co., Ltd. | 5716 |
49 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
44 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
42 |
| Honeywell International Inc. | 12772 |
38 |
| Carrier Corporation | 3951 |
31 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
27 |
| Johnson Controls Technology Company | 1383 |
24 |
| Midea Group Co., Ltd. | 5034 |
24 |
| LG Electronics Inc. | 75818 |
23 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
19 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 976 |
17 |
| Resideo LLC | 1184 |
16 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
15 |
| Other owners | 792 |