- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 8/158 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
Patent holdings for IPC class F24F 8/158
Total number of patents in this class: 54
10-year publication summary
|
0
|
0
|
0
|
2
|
2
|
5
|
11
|
21
|
16
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microjet Technology Co., Ltd. | 344 |
5 |
| Dyson Technology Limited | 3124 |
2 |
| Environmental Management Confederation, Inc. | 55 |
2 |
| Fellowes, Inc. | 348 |
2 |
| LifeAire Systems, LLC | 39 |
2 |
| Innovative Technologies, Paul Coughlin, Rick Armijo | 6 |
2 |
| Zibo Creation of Mechanical and Electrical Technology Co., Ltd | 40 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| 3m Innovative Properties Company | 18406 |
1 |
| Carrier Corporation | 4759 |
1 |
| Tsinghua University | 5426 |
1 |
| Air Sanz Holdings Pty Ltd as trustee for the Air Sanz Holdings Trust | 7 |
1 |
| Coway Co., Ltd. | 649 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
1 |
| Genano Oy | 6 |
1 |
| Gtscien Co., Ltd | 8 |
1 |
| Holonix International Co., Ltd. | 6 |
1 |
| Inter IKEA Systems B.V. | 295 |
1 |
| Midea Group Co., Ltd. | 4025 |
1 |
| New Cosmos Electric Co., Ltd. | 53 |
1 |
| Other owners | 24 |