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ZHU JIANHAI

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    166,780
  • Filing trend
    ⇩ 100.0%
About

ZHU JIANHAI has a total of 11 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, macromolecular chemistry and polymers and basic materials chemistry are MAANSHAN HAIHUA WEAR RESISTANT MATERIAL TECH CO LTD, ZHEJIANG WANFENG MOTORCYCLE WHEEL CO LTD and WU SHUCHEN.

Patent filings in countries

World map showing ZHU JIANHAIs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHU JIANHAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Jianhai 11

Latest patents

Publication Filing date Title
CN107805760A A kind of processing technology of split type valve door handle
CN107794456A A kind of processing technology of valve high intensity flange
CN107866519A A kind of production technology of corrosion-resistant bronze valve
CN107904499A A kind of processing technology of valve seal ring
CN107893190A A kind of wearable valve and its Technology for Heating Processing
CN107876360A A kind of anticorrosive coating technique of urban duct valve
CN107828262A A kind of wear resistant and rustproof valve handle and its vacuum heat modified technique
CN107747640A A kind of high temp.-resistant valve valve rod and its handling process
CN107876361A A kind of moistureproof high temperature resistant handling process of moistureproof high temperature steam tank valve
CN107793873A A kind of metal valve outer surface ultralow pressure waterproof membrane and preparation method thereof
CN1584269A Bullet lock core with double locking device and side unlocking hole