- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 424
10-year publication summary
|
16
|
24
|
42
|
37
|
54
|
40
|
42
|
26
|
29
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
39 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
26 |
| Daikin Industries, Ltd. | 9495 |
25 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
22 |
| Midea Group Co., Ltd. | 4025 |
20 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
20 |
| Haier Smart Home Co., Ltd. | 4882 |
15 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
15 |
| Howa Plastics Co., Ltd. | 38 |
11 |
| Panasonic Corporation | 20786 |
9 |
| Air Distribution Technologies IP, LLC | 160 |
8 |
| Nifco Inc. | 1103 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Mestek, Inc. | 131 |
6 |
| T.A. Morrison & Co. Inc., | 7 |
6 |
| Illinois Tool Works Inc. | 11152 |
5 |
| Magna International Inc. | 1236 |
5 |
| Valeo Systemes Thermiques | 2471 |
5 |
| Magna Exteriors Inc. | 377 |
5 |
| Heds Holdings LLC | 13 |
5 |
| Other owners | 162 |