- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/52 - Indication arrangements, e.g. displays
Patent holdings for IPC class F24F 11/52
Total number of patents in this class: 1697
10-year publication summary
|
108
|
150
|
182
|
193
|
206
|
178
|
160
|
168
|
134
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47240 |
143 |
| Samsung Electronics Co., Ltd. | 150501 |
99 |
| Tyco Fire & Security GmbH | 3490 |
85 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2399 |
82 |
| Haier Smart Home Co., Ltd. | 5571 |
77 |
| Daikin Industries, Ltd. | 10200 |
71 |
| LG Electronics Inc. | 74135 |
60 |
| Resideo LLC | 1314 |
59 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1892 |
57 |
| Google LLC | 43317 |
50 |
| Lennox Industries Inc. | 1106 |
50 |
| Honeywell International Inc. | 13540 |
41 |
| Johnson Controls Technology Company | 1405 |
41 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1936 |
39 |
| Midea Group Co., Ltd. | 4710 |
37 |
| Carrier Corporation | 3988 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 32795 |
24 |
| Trane International Inc. | 1206 |
20 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 518 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
15 |
| Other owners | 602 |