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Shanghai pudong hanwei valve co ltd

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    219,982
About

Shanghai pudong hanwei valve co ltd has a total of 12 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and machine tools are ERHARD GMBH & CO, TIANJIN SIANJIA FLOW CONTROL SYSTEMS CO LTD and HENAN YUDA VALVE MFG CO LTD.

Patent filings in countries

World map showing Shanghai pudong hanwei valve co ltds patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing Shanghai pudong hanwei valve co ltds patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ma Shenjun 5
#2 Yan Xinfang 4
#3 Wu Zhimin 3
#4 Wu Hongwei 3
#5 Wang Chao 2
#6 Xiao Min 2
#7 Lu Zhengyuan 2
#8 Zhang Ying 1
#9 Zhiming Wang 1
#10 Dong Fei 1

Latest patents

Publication Filing date Title
CN104500784A 24-way rotary valve
CN104500785A 24-way rotary valve
CN104279344A Remote control automatic emptying valve
CN104048100A Sealing structure for packless self-compensation sealing valve
CN103962934A Valve sealing surface grinding miller
CN103671739A Gear swing reducer
CN103573754A Multistage-protection hydraulic device
CN103486310A Fixed disc structure convenient for surface reprocessing
CN103375602A Open valve seat type ball valve
CN102221099A Novel chromatographic separation rotating valve
CN102729169A Fixing device of non-metal flexible thin plate
CN101690856A Distribution method by utilizing multistation material distributing valve