- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/24 - Means for preventing or suppressing noise
Patent holdings for IPC class F24F 13/24
Total number of patents in this class: 1078
10-year publication summary
49
|
48
|
72
|
94
|
121
|
115
|
123
|
82
|
120
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
84 |
Haier Smart Home Co., Ltd. | 4882 |
68 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
58 |
Mitsubishi Electric Corporation | 43934 |
45 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
45 |
Samsung Electronics Co., Ltd. | 131630 |
44 |
Midea Group Co., Ltd. | 4025 |
40 |
FUJIFILM Corporation | 27102 |
35 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
35 |
LG Electronics Inc. | 69257 |
25 |
Trane International Inc. | 1123 |
16 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
15 |
Denso Corporation | 23338 |
12 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
Zehnder Group International AG | 391 |
9 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
8 |
Daikin Industries, Ltd. | 9495 |
7 |
Carrier Corporation | 4759 |
7 |
Bombardier Inc. | 749 |
7 |
Rheem Manufacturing Company | 861 |
7 |
Other owners | 502 |