Membership
Tour
Register
Log in
Xinguo Chen
Follow
Person
Weicheng Weifang, Shandong, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Self-sealing butterfly valve
Patent number
9,995,399
Issue date
Jun 12, 2018
SHANDONG LEDE MACHINERY CO., LTD.
Tonghu Zhang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SELF-SEALING BUTTERFLY VALVE
Publication number
20160201808
Publication date
Jul 14, 2016
SHANDONG LEDE MACHINERY CO., LTD
Tonghu Zhang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...