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Patents Grants
last 30 patents
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Patent Grant
Aerogel-modified polypropylene, and ultralight thermal-insulating m...
Patent number
11,976,143
Issue date
May 7, 2024
BEIJING HONG WARM FIBRES TECHNOLOGY CO., LTD.
Guangwu Li
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and device for manufacturing semiconductor substrate
Patent number
10,720,327
Issue date
Jul 21, 2020
HONG WU YES ENGINEERING TECHNOGOLOGY RESEARCH INSTITUTE CO., LTD.
Guangwu Li
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and apparatus for preparing aerogel by drying under reduced...
Patent number
9,731,264
Issue date
Aug 15, 2017
HONG DA TECHNOLOGY (BEI JING) CO. LTD.
Guangwu Li
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Aerogel-modified polypropylene, and ultralight thermal-insulating m...
Publication number
20210040248
Publication date
Feb 11, 2021
BEIJING HONG WARM FIBRES TECHNOLOGY CO., LTD.
Guangwu LI
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
METHOD AND DEVICE FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE
Publication number
20190035627
Publication date
Jan 31, 2019
HONG WU YES ENGINEERING TECHNOGOLOGY RESEARCH INSTITUTE CO., LTD.
GUANGWU LI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD AND APPARATUS FOR PREPARING AEROGEL BY DRYING UNDER REDUCED...
Publication number
20160114304
Publication date
Apr 28, 2016
HONG DA TECHNOLOGY (BEI JING) CO. LTD.
Guangwu LI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL