- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse 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: 1662
10-year publication summary
|
104
|
116
|
161
|
161
|
150
|
175
|
141
|
133
|
121
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1966 |
60 |
| Rite-Hite Holding Corporation | 665 |
60 |
| Midea Group Co., Ltd. | 4740 |
41 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2402 |
33 |
| Samsung Electronics Co., Ltd. | 151485 |
32 |
| GREE Electric Appliances, Inc. of Zhuhai | 3268 |
32 |
| FUJIFILM Corporation | 30034 |
28 |
| Haier Smart Home Co., Ltd. | 5602 |
26 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1895 |
23 |
| LG Electronics Inc. | 74388 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
22 |
| Daikin Industries, Ltd. | 10212 |
21 |
| Flexible Technologies, Inc. | 53 |
21 |
| PRIHODA s.r.o. | 34 |
20 |
| Carrier Corporation | 3979 |
19 |
| Air Distribution Technologies IP, LLC | 260 |
19 |
| The Boeing Company | 20106 |
16 |
| Climate Recovery Ind AB | 17 |
14 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 709 |
14 |
| HVAC Inventors/Systemation, Inc. | 25 |
14 |
| Other owners | 1125 |