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Shanghai, CN
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last 30 patents
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Patent Application
CONFORMABLE PLEATED AIR FILTER WITH BRIDGING FILAMENTS
Publication number
20230372854
Publication date
Nov 23, 2023
3M Innovative Properties Company
Changwen Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONFORMABLE PLEATED AIR FILTER WITH BRIDGING FILAMENTS
Publication number
20180021716
Publication date
Jan 25, 2018
3M Innovative Properties Company
Changwen Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
WINDOW AIR FILTER
Publication number
20170241193
Publication date
Aug 24, 2017
3M Innovative Properties Company
Andrew R. Fox
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AIR FILTER
Publication number
20170028338
Publication date
Feb 2, 2017
3M Innovative Properties Company
Liming Xin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL