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Dafeng nanya valve co ltd

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,488
About

Dafeng nanya valve co ltd has a total of 12 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, materials and metallurgy and surface technology and coating are COOPER ALLOY CORP, JIANGSU HUATAI ELECTRIC POWER ELECTRONIC INSTR CO LTD and FORTUNE MFG CO LTD.

Patent filings in countries

World map showing Dafeng nanya valve co ltds patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing Dafeng nanya valve co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Yajun 12

Latest patents

Publication Filing date Title
CN104879533A Automatic dual-control linkage ball valve
CN104879537A Swing check valve
CN104879517A Clockwise and anticlockwise twin-twisted safety valve
CN104896108A Bottom valve
CN104879518A Double-control linkage ball valve
CN104879536A Check valve
CN104879538A Automatic check valve
CN104879511A Angle stop valve
CN104482254A Multifunctional check valve
CN104342603A Alloy material for improving corrosion resistance of valve and treatment process thereof
CN104342578A Bronze alloy material for valve casting and treatment process thereof
CN104357757A Rub-resistant alloy coating for bronze valve and coating process for rub-resistant alloy coating