- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/54 - Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
Patent holdings for IPC class F24F 11/54
Total number of patents in this class: 613
10-year publication summary
|
8
|
14
|
16
|
48
|
103
|
85
|
86
|
80
|
77
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
65 |
| Mitsubishi Electric Corporation | 43934 |
58 |
| Haier Smart Home Co., Ltd. | 4882 |
40 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
38 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
34 |
| Lennox Industries Inc. | 1088 |
30 |
| Tyco Fire & Security GmbH | 2172 |
29 |
| Johnson Controls Technology Company | 1522 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 134 |
15 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
14 |
| Honeywell International Inc. | 13799 |
13 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| LG Electronics Inc. | 69257 |
8 |
| Carrier Corporation | 4759 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
7 |
| Sharp Kabushiki Kaisha | 18957 |
7 |
| Ademco Inc. | 1374 |
7 |
| Midea Group Co., Ltd. | 4025 |
6 |
| Other owners | 180 |