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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Conductive composite material with positive temperature coefficient...
Patent number
8,653,932
Issue date
Feb 18, 2014
Shanghai Changyuan Wayon Circuit Protection Co., Ltd.
Quan-quan Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
MATTE CERAMIC TILE AND PREPARATION METHOD THEREOF
Publication number
20230382804
Publication date
Nov 30, 2023
DONGGUAN CITY WONDERFUL CERAMICS INDUSTRIAL PARK CO., LTD.
Zhanwen Gu
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
SILKY, FINE-GRAINED MATTE CERAMIC TILE AND PREPARATION METHOD THEREOF
Publication number
20210198150
Publication date
Jul 1, 2021
DONGGUAN CITY WONDERFUL CERAMICS INDUSTRIAL PARK CO., LTD.
Zhanwen Gu
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
CONDUCTIVE COMPOSITE MATERIAL WITH POSITIVE TEMPERATURE COEFFICIENT...
Publication number
20130094116
Publication date
Apr 18, 2013
Quan-quan Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER