- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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 treatment; Apparatus 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: 371
10-year publication summary
56
|
32
|
25
|
30
|
35
|
34
|
31
|
29
|
14
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
85 |
Daikin Industries, Ltd. | 9495 |
24 |
LG Electronics Inc. | 69257 |
22 |
Midea Group Co., Ltd. | 4025 |
11 |
Carrier Corporation | 4759 |
10 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
9 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
8 |
Omachron Intellectual Property Inc. | 869 |
8 |
Daikin Europe N.v. | 171 |
6 |
Trane International Inc. | 1123 |
6 |
Tyco Fire & Security GmbH | 2172 |
6 |
Nortek Air Solutions Canada, Inc. | 114 |
5 |
WaterFurnace International, Inc. | 98 |
5 |
Haier Smart Home Co., Ltd. | 4882 |
5 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
5 |
Samsung Electronics Co., Ltd. | 131630 |
4 |
Siemens Industry, Inc. | 1417 |
4 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
4 |
Toshiba Carrier Corporation | 567 |
4 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
4 |
Other owners | 136 |