- 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: 1728
10-year publication summary
|
108
|
150
|
182
|
193
|
206
|
178
|
160
|
168
|
134
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47556 |
143 |
| Samsung Electronics Co., Ltd. | 153573 |
106 |
| Tyco Fire & Security GmbH | 3533 |
86 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2422 |
83 |
| Haier Smart Home Co., Ltd. | 5645 |
78 |
| Daikin Industries, Ltd. | 10375 |
72 |
| LG Electronics Inc. | 74953 |
63 |
| Resideo LLC | 1327 |
60 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1915 |
58 |
| Lennox Industries Inc. | 1083 |
52 |
| Google LLC | 43739 |
50 |
| Honeywell International Inc. | 12796 |
41 |
| Johnson Controls Technology Company | 1397 |
41 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2001 |
39 |
| Midea Group Co., Ltd. | 4833 |
37 |
| Carrier Corporation | 3968 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
26 |
| Trane International Inc. | 1214 |
20 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3276 |
15 |
| Other owners | 613 |