- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 3/06 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatmentApparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
Patent holdings for IPC class F24F 3/06
Total number of patents in this class: 383
10-year publication summary
|
32
|
25
|
30
|
35
|
35
|
31
|
30
|
15
|
18
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44904 |
85 |
| Daikin Industries, Ltd. | 9851 |
25 |
| LG Electronics Inc. | 71074 |
22 |
| GREE Electric Appliances, Inc. of Zhuhai | 3156 |
12 |
| Midea Group Co., Ltd. | 4310 |
11 |
| Carrier Corporation | 4451 |
10 |
| Tyco Fire & Security GmbH | 3303 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 547 |
8 |
| Omachron Intellectual Property Inc. | 920 |
8 |
| Daikin Europe N.v. | 192 |
6 |
| Trane International Inc. | 1154 |
6 |
| Nortek Air Solutions Canada, Inc. | 120 |
5 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 184 |
5 |
| WaterFurnace International, Inc. | 101 |
5 |
| Haier Smart Home Co., Ltd. | 5315 |
5 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1836 |
5 |
| Samsung Electronics Co., Ltd. | 139302 |
4 |
| Siemens Industry, Inc. | 1431 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2341 |
4 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 841 |
4 |
| Other owners | 140 |