- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/83 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
Patent holdings for IPC class F24F 11/83
Total number of patents in this class: 379
10-year publication summary
|
17
|
28
|
29
|
50
|
60
|
44
|
54
|
33
|
33
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
43 |
| Daikin Industries, Ltd. | 9495 |
18 |
| Haier Smart Home Co., Ltd. | 4882 |
17 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
17 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
15 |
| Lennox Industries Inc. | 1088 |
13 |
| Trane International Inc. | 1123 |
13 |
| Tyco Fire & Security GmbH | 2172 |
13 |
| LG Electronics Inc. | 69257 |
12 |
| Belimo Holding AG | 235 |
12 |
| Johnson Controls Technology Company | 1522 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Carrier Corporation | 4759 |
8 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
8 |
| Energy Environmental Corporation | 13 |
7 |
| Nortek Air Solutions Canada, Inc. | 114 |
7 |
| Copeland LP | 656 |
6 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
5 |
| MJC, Inc. | 17 |
5 |
| Other owners | 133 |