- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
Patent holdings for IPC class F24F 5/00
Total number of patents in this class: 2794
10-year publication summary
229
|
244
|
262
|
322
|
278
|
329
|
283
|
279
|
239
|
63
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
200 |
Daikin Industries, Ltd. | 9495 |
115 |
Haier Smart Home Co., Ltd. | 4882 |
55 |
LG Electronics Inc. | 69257 |
53 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
48 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
45 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
45 |
Carrier Corporation | 4759 |
42 |
Nortek Air Solutions Canada, Inc. | 114 |
35 |
Midea Group Co., Ltd. | 4025 |
31 |
Tyco Fire & Security GmbH | 2172 |
23 |
Hamilton Sundstrand Corporation | 4525 |
22 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
19 |
Hitachi, Ltd. | 16452 |
18 |
Rheem Manufacturing Company | 861 |
18 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
17 |
E.ON Sverige Aktiebolag | 87 |
16 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
16 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
15 |
Samsung Electronics Co., Ltd. | 131630 |
14 |
Other owners | 1947 |