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2025
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Invention
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An alternating bidirectional fan and a system for ventilating the air in a room. An alternating b... |
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2021
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Invention
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A face shield for being arranged in front of a portion of the face of a user.
A face shield for ... |
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Invention
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A face shield for being arranged in front of a portion of the fase of a user. The disclosure rela... |
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P/S
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Air purifiers; air purifying apparatus and machines; air
purifiers for industrial use; air purif... |
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P/S
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Air purifiers; air purifying apparatus and machines; air purifiers for industrial use; air purify... |
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2020
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Invention
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A head-mounted wearable air-purifying device comprising a motorized rotating filter. A device and... |
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Invention
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Ventilation unit.
A dual mode impeller assembly and ventilation device and a system, is provided... |
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Invention
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Air filter device. s=distance between two adjacent pleat tops on the inner radius, ε-ASHRAE effic... |
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Invention
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Air filter device. hrooε 0.25rοisohiss= distance between two adjacent pleat tops on the inner rad... |
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Invention
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Dual mode impeller assembly and a ventilation unit. A dual mode impeller assembly and ventilation... |
