- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 8/50 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
Patent holdings for IPC class F24F 8/50
Total number of patents in this class: 78
10-year publication summary
|
0
|
0
|
3
|
3
|
3
|
2
|
5
|
24
|
27
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
13 |
| Haier Smart Home Co., Ltd. | 4882 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Denso Corporation | 23338 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Delos Living LLC | 150 |
2 |
| Numerical Design, Inc. | 7 |
2 |
| Freshlet, LLC | 2 |
2 |
| Alonim Filter Marketing Ltd. | 10 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| Sharp Corporation | 10015 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Bains Ultra Inc. | 132 |
1 |
| Ecovacs Robotics Co., Ltd. | 346 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| Prolitec Inc. | 76 |
1 |
| Thermacell Repellents, Inc. | 83 |
1 |
| Other owners | 11 |