Kezhi Zhang

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Henan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing columnar curved tempered glass
- Patent number 9,630,870
- Issue date Apr 25, 2017
- Luoyang Landglass Technology Co., Ltd
- Yan Zhao
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Device for manufacturing columnar curved tempered glass
- Patent number 9,604,866
- Issue date Mar 28, 2017
- Luoyang Landglass Technology Co., Ltd
- Yan Zhao
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
CURVED GLASS TEMPERING APPARATUS WITH EFFECT OF WEAKENING STRESS PA...
- Publication number 20220324743
- Publication date Oct 13, 2022
- LUOYANG LANDGLASS TECHNOLOGY CO., LTD.
- Yan Zhao
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING COLUMNAR CURVED TEMPERED GLASS
- Publication number 20150121964
- Publication date May 7, 2015
- LUOY-ANG LANDGLASS TECHNOLOGY CO., LTD.
- Yan Zhao
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING COLUMNAR CURVED TEMPERED GLASS
- Publication number 20150047395
- Publication date Feb 19, 2015
- LUOYANG LANDGLASS TECHNOLOGY CO., LTD
- Yan Zhao
- C03 - GLASS MINERAL OR SLAG WOOL