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HOULIDE MACHINERY HANGZHOU CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    143,922
About

HOULIDE MACHINERY HANGZHOU CO LTD has a total of 12 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, civil engineering and mechanical elements are DUAN JINGSHENG, VULLIEZ PAUL and GARDNER DENVER S R L.

Patent filings in countries

World map showing HOULIDE MACHINERY HANGZHOU CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HOULIDE MACHINERY HANGZHOU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Fuqiang 12
#2 Lian Jiadi 12
#3 Liu Hang 1
#4 Zhao Yuwen 1

Latest patents

Publication Filing date Title
CN111425398A Water ring vacuum elastomer rotor pump self-lubricating system and method
CN111396297A Water ring elastomer rotor vacuum pump and vacuum pump unit
CN111425403A Water ring elastomer rotor pump vacuum unit and intelligent control lubrication method
CN111425619A Distributed vacuum sewage collecting barrel and fault early warning method
CN111425659A All-through vacuum interface diaphragm valve fatigue test system
CN111425620A Non-electrical interface diaphragm valve breakage alarm device
CN111395485A Intelligent control interface valve for sewage collection and variable control method
CN111395486A Intelligent control interface valve system for sewage collection
CN110894735A Electroless toilet bowl quick opening and closing vacuum diaphragm interface valve
CN110939568A Water adding device and method based on negative-pressure pneumatic vacuum system without water ring
CN110939575A Urban septic tank treatment conveying device
CN108916126A A kind of high throughput sludge media ejector