- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 15
10-year publication summary
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0
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0
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0
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0
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1
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0
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7
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6
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5
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
2 |
| IONaer International Arizona, LLC | 20 |
2 |
| National Cheng Kung University | 505 |
1 |
| Universidad de Alicante | 203 |
1 |
| Istituti Clinici Scientifici Maugeri SpA SB | 19 |
1 |
| Wellis Co. Ltd. | 11 |
1 |
| Airinspace | 8 |
1 |
| Micron Pure, LLC | 7 |
1 |
| Clear Path Holdings Corp | 2 |
1 |
| Micro Pure, LLC | 1 |
1 |
| Proactiveair GmbH | 3 |
1 |
| O3 Tech GmbH | 1 |
1 |
| Healthcity A.S. | 1 |
1 |
| Other owners | 0 |