- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 8/70 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by removing radon
Patent holdings for IPC class F24F 8/70
Total number of patents in this class: 4
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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0
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0
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1
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1
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2
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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
|
|---|---|---|
| Enverid Systems, Inc. | 80 |
2 |
| Fernandes, Joao Pascoa | 2 |
1 |
| Vapor Products Group, LLC | 5 |
1 |
| Other owners | 0 |