- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/40 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ozonisation
Patent holdings for IPC class F24F 8/40
Total number of patents in this class: 21
10-year publication summary
|
0
|
0
|
1
|
0
|
7
|
6
|
6
|
5
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10502 |
2 |
| IONaer International Arizona, LLC | 21 |
2 |
| Biosecurity Technology, LLC | 40 |
2 |
| National Cheng Kung University | 630 |
1 |
| Universidad de Alicante | 237 |
1 |
| Istituti Clinici Scientifici Maugeri SpA SB | 22 |
1 |
| Wellis Co. Ltd. | 11 |
1 |
| Hotalux, Ltd. | 100 |
1 |
| Airinspace | 8 |
1 |
| Korea Institute of Materials Science | 260 |
1 |
| Micron Pure, LLC | 7 |
1 |
| Micro Pure, LLC | 1 |
1 |
| Proactiveair GmbH | 3 |
1 |
| O3 Tech GmbH | 1 |
1 |
| Versuni Holding B.V. | 1007 |
1 |
| Universidad UTE | 31 |
1 |
| Airlich IP ApS | 3 |
1 |
| Healthcity A.S. | 2 |
1 |
| Other owners | 0 |