- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/02 - Ducting arrangements
Patent holdings for IPC class F24F 13/02
Total number of patents in this class: 1556
10-year publication summary
|
133
|
123
|
127
|
171
|
170
|
166
|
180
|
145
|
131
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1653 |
59 |
| Rite-Hite Holding Corporation | 657 |
59 |
| Midea Group Co., Ltd. | 4277 |
41 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2332 |
33 |
| GREE Electric Appliances, Inc. of Zhuhai | 3146 |
30 |
| FUJIFILM Corporation | 28467 |
28 |
| Samsung Electronics Co., Ltd. | 138320 |
27 |
| Haier Smart Home Co., Ltd. | 5289 |
26 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1827 |
23 |
| PRIHODA s.r.o. | 34 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
20 |
| Daikin Industries, Ltd. | 9766 |
19 |
| Tyco Fire & Security GmbH | 3281 |
19 |
| Flexible Technologies, Inc. | 49 |
18 |
| Carrier Corporation | 4443 |
17 |
| LG Electronics Inc. | 70831 |
16 |
| The Boeing Company | 19900 |
15 |
| Air Distribution Technologies IP, LLC | 153 |
15 |
| Climate Recovery Ind AB | 17 |
14 |
| HVAC Inventors/Systemation, Inc. | 26 |
14 |
| Other owners | 1042 |