- 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: 1633
10-year publication summary
|
59
|
111
|
152
|
183
|
196
|
212
|
180
|
161
|
166
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46037 |
139 |
| Samsung Electronics Co., Ltd. | 145864 |
89 |
| Tyco Fire & Security GmbH | 3224 |
88 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2368 |
82 |
| Haier Smart Home Co., Ltd. | 5452 |
77 |
| Daikin Industries, Ltd. | 9991 |
69 |
| LG Electronics Inc. | 72962 |
57 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1861 |
57 |
| Resideo LLC | 1166 |
57 |
| Google LLC | 42135 |
47 |
| Lennox Industries Inc. | 1121 |
46 |
| Johnson Controls Technology Company | 1432 |
41 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1821 |
39 |
| Honeywell International Inc. | 13539 |
37 |
| Midea Group Co., Ltd. | 4542 |
35 |
| Carrier Corporation | 4348 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
23 |
| Trane International Inc. | 1180 |
20 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 511 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3242 |
15 |
| Other owners | 570 |