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CATHERINE WEI
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EINDHOVEN, NL
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Patents Grants
last 30 patents
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Patent Grant
Air purifier and a method for controlling an air purifier
Patent number
11,318,407
Issue date
May 3, 2022
Koninklijke Philips N.V.
Catherine Wei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
AN AIR PURIFIER AND A METHOD FOR CONTROLLING AN AIR PURIFIER
Publication number
20180290095
Publication date
Oct 11, 2018
CATHERINE WEI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL