- 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: 1668
10-year publication summary
|
59
|
108
|
150
|
182
|
193
|
206
|
177
|
159
|
167
|
112
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46618 |
143 |
| Samsung Electronics Co., Ltd. | 148077 |
93 |
| Tyco Fire & Security GmbH | 3431 |
84 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2379 |
82 |
| Haier Smart Home Co., Ltd. | 5498 |
77 |
| Daikin Industries, Ltd. | 10112 |
70 |
| LG Electronics Inc. | 73714 |
60 |
| Resideo LLC | 1307 |
58 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1872 |
57 |
| Google LLC | 42752 |
49 |
| Lennox Industries Inc. | 1131 |
46 |
| Johnson Controls Technology Company | 1417 |
42 |
| Honeywell International Inc. | 13557 |
40 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1870 |
39 |
| Midea Group Co., Ltd. | 4620 |
36 |
| Carrier Corporation | 4303 |
29 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
24 |
| Trane International Inc. | 1196 |
20 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3255 |
15 |
| Other owners | 587 |