Ya-Yun Yang

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Water outlet structure
- Patent number 10,018,283
- Issue date Jul 10, 2018
- Yu Zhan International Co., Ltd.
- Ya Hui Yang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Manhole cover mounting structure
- Patent number 6,371,688
- Issue date Apr 16, 2002
- Ya-Yun Yang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
WATER OUTLET STRUCTURE
- Publication number 20180045329
- Publication date Feb 15, 2018
- YU ZHAN INTERNATIONAL CO., LTD.
- YA HUI YANG
- E03 - WATER SUPPLY SEWERAGE