Learn more

Zhejiang wanlong machinery co ltd

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    111,535
  • Filing trend
    ⇩ 87.0%
About

Zhejiang wanlong machinery co ltd has a total of 30 patent applications. It decreased the IP activity by 87.0%. Its first patent ever was published in 2009. It filed its patents most often in China, Australia and Brazil. Its main competitors in its focus markets mechanical elements and environmental technology are QUALITY INSPECTING CT OF PUMP AND VALVE PRODUCTS OF ZHEJIANG PROVINCE, DELAUNAY BELLEVILLE LOUIS MARI and YANGZHOU HONGCHENG METALLURG EQUIPMENT CO LTD.

Patent filings per year

Chart showing Zhejiang wanlong machinery co ltds patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Cheng Xingyan 22
#2 Xingyan Cheng 5
#3 Cheng Xu 1
#4 Xu Yongbin 1
#5 Huang Feng 1
#6 Bao Qi 1
#7 Cheng Xing Yan 1

Latest patents

Publication Filing date Title
CN110259997A A kind of swing check valve being built-in with Slow Close mechanism and water hammer-resistant check-valves
CN108644403A A kind of double sealing structure of plug valve
CN107035907A A kind of blast resistance construction of ammonia valve
CN107091353A A kind of bonnet of ammonia valve
CN107084271A A kind of ammonia leaks intelligence control valve
CN107084256A A kind of Magnetic Control and the valve without valve rod
CN107091352A A kind of sensor interface structure of ammonia valve
CN107084255A A kind of valve plate of rotary opening and closing
CN107061774A A kind of valve plate hole of propeller blade shape
CN107035883A A kind of valve magnet steel on-off structure
CN105351584A High pressure difference device
CN105276206A Torque limiting device and valve with same
CN104373613A Valve with valve rod moving at high frequency
CN104445737A Sewage treatment system
CN104455493A Liquid chlorine regulating valve
CN103603961A Ceramic valve
CN103591407A Pneumatic buffer
CN103542120A Valve with double corrugated pipes
CN103195944A Plug valve of seal structure
CN102518866A Seal leakage alarm device for corrugated pipe