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WUHAN DAYU VALVE CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    131,452
About

WUHAN DAYU VALVE CO LTD has a total of 42 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, civil engineering and environmental technology are WALDENMAIER J E H, FENG SENLEI and Anhui tunxi high pressure valve co ltd.

Patent filings in countries

World map showing WUHAN DAYU VALVE CO LTDs patent filings in countries

Patent filings per year

Chart showing WUHAN DAYU VALVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Xihong 38
#2 He Rui 21
#3 Zhou Chao 5
#4 Ma Zhixiang 5
#5 Xu Mengxin 3
#6 Zhan Xiaohua 3
#7 Yi Kaowen 3
#8 Wang Xuepan 3
#9 Zhang Meihua 3
#10 Sun Gaofeng 1

Latest patents

Publication Filing date Title
CN110966478A Direct-buried antifreezing composite air intake and exhaust valve
CN111043365A High-pressure-difference water-control piston type pressure reducing valve
CN111043361A Slow-opening and slow-closing check valve
CN110220041A A kind of on-line monitoring method and system of air valve
CN108533823A A kind of hydraulic control ball valve system and control method
CN106151576A A kind of self adaptation two-way floating valve seat construction
CN106195381A A kind of combined air cock
CN106122626A A kind of extension flange structure
CN105569175A Split-flow particle separator
CN105604167A Precise wastewater abandoning well
CN105569174A Split-flow rainwater opening
CN104089064A Photovoltaic hydraulic control device of valve
CN103775691A Self-washing damping and wear-resistant rotation type check valve
WO2014094599A1 Water hammer discharge valve
WO2014094593A1 Eccentric hemisphere valve
WO2014086298A1 Flow-limiting valve for exploded pipe
CN103498962A Scale-prevention valve
CN103470791A Anti-scale butterfly valve
CN103470820A Anti-scale check valve
CN103470847A Siphon air inlet/outlet valve