- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates
Patent holdings for IPC class F24F 13/08
Total number of patents in this class: 1521
10-year publication summary
88
|
95
|
149
|
146
|
182
|
169
|
148
|
168
|
146
|
35
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
105 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
105 |
LG Electronics Inc. | 69257 |
80 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
63 |
Haier Smart Home Co., Ltd. | 4882 |
62 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
50 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
43 |
Midea Group Co., Ltd. | 4025 |
41 |
Mitsubishi Electric Corporation | 43934 |
39 |
Daikin Industries, Ltd. | 9495 |
25 |
Broan-NuTone LLC | 459 |
22 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
Sterling Custom Sheet Metal, Inc | 17 |
14 |
Air Distribution Technologies IP, LLC | 160 |
13 |
Denso Corporation | 23338 |
11 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
11 |
Ningbo Aux Electric Co., Ltd. | 150 |
11 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
11 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
10 |
Aux Air Conditioner Co., Ltd. | 88 |
9 |
Other owners | 780 |