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NINGBO HENGYUAN PRECISION VALVES TECH CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    87,786
  • Filing trend
    ⇧ 1100.0%
About

NINGBO HENGYUAN PRECISION VALVES TECH CO LTD has a total of 19 patent applications. It increased the IP activity by 1100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machines and machine tools are SHANGHAI QUNLI RUBBER AND PLASTIC PRODUCTS CO LTD, JINAN DECA MACHINE CO LTD and GUANGZHOU LIXIN INTELLIGENT TECH CO LTD.

Patent filings in countries

World map showing NINGBO HENGYUAN PRECISION VALVES TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing NINGBO HENGYUAN PRECISION VALVES TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tong Jinjin 16
#2 Sun Zhiqiang 5
#3 Sun Jie 2
#4 Shao Xinyuan 1

Latest patents

Publication Filing date Title
CN111844769A Anti-corrosion processing method of steel-plastic conversion pipe
CN111844768A Anticorrosive processing equipment of steel-plastic conversion pipe
CN109916560A Compound steelplastic pipe part air-tightness detection device
CN110026939A The self centring assembly tooling of ball valve and technique
CN109990159A Binding post for electric melting pipe fittings
CN110078991A A kind of exposed rear cloth silk electric melting pipe fittings
CN108799652A Pipe fitting and its application method
CN108662314A A kind of pipe fitting
CN108692195A plastic water supply pipe
CN108638159A PE pipe doctor assemblies
CN108673577A A kind of pipe fitting cutter device
CN108714929A A kind of pipe fitting ring cutting device
CN108582196A A kind of pipeline girdling machine
CN108644519A Electric-melting flange
CN108591660A Wiring terminal of electric melting pipe
CN108426113A A kind of electric melting pipe fittings
CN110159787A A kind of PE ball valve grease pouring device and method
CN110154408A Packet thermo-contracting-tube machine
CN108250563A A kind of wear-and corrosion-resistant valve ball and preparation method thereof