- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 13/15 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
Patent holdings for IPC class F24F 13/15
Total number of patents in this class: 447
10-year publication summary
|
19
|
41
|
36
|
53
|
39
|
40
|
27
|
29
|
19
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47014 |
39 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1913 |
29 |
| Midea Group Co., Ltd. | 4685 |
23 |
| Daikin Industries, Ltd. | 10167 |
22 |
| GREE Electric Appliances, Inc. of Zhuhai | 3257 |
22 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2392 |
21 |
| Haier Smart Home Co., Ltd. | 5551 |
16 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1885 |
16 |
| Howa Plastics Co., Ltd. | 39 |
12 |
| Panasonic Corporation | 19937 |
9 |
| Samsung Electronics Co., Ltd. | 149362 |
8 |
| Air Distribution Technologies IP, LLC | 246 |
8 |
| Nifco Inc. | 1112 |
8 |
| Heds Holdings LLC | 19 |
8 |
| Illinois Tool Works Inc. | 11590 |
6 |
| Mestek, Inc. | 123 |
6 |
| T.A. Morrison & Co. Inc., | 7 |
6 |
| Tyco Fire & Security GmbH | 3477 |
5 |
| Valeo Systemes Thermiques | 2769 |
5 |
| Sharp Kabushiki Kaisha | 18610 |
5 |
| Other owners | 173 |