- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 1422
10-year publication summary
|
37
|
59
|
111
|
151
|
183
|
195
|
208
|
176
|
156
|
54
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
119 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
74 |
| Samsung Electronics Co., Ltd. | 131630 |
71 |
| Haier Smart Home Co., Ltd. | 4882 |
69 |
| Tyco Fire & Security GmbH | 2172 |
60 |
| Daikin Industries, Ltd. | 9495 |
58 |
| Ademco Inc. | 1374 |
51 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
49 |
| LG Electronics Inc. | 69257 |
48 |
| Honeywell International Inc. | 13799 |
46 |
| Google LLC | 38759 |
46 |
| Johnson Controls Technology Company | 1522 |
45 |
| Lennox Industries Inc. | 1088 |
38 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
36 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
32 |
| Midea Group Co., Ltd. | 4025 |
30 |
| Trane International Inc. | 1123 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
| Carrier Corporation | 4759 |
19 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
17 |
| Other owners | 475 |