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HENAN YUDA VALVE MFG CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    179,182
About

HENAN YUDA VALVE MFG CO LTD has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements are ZIBO VAL TEX PETROCHEMICAL EQUIPMENT CO LTD, ZIBO VOTAISI PETROCHEMICAL EQUIPMENT CO LTD and KAIPING HEART CARTRIDGE CO LTD.

Patent filings in countries

World map showing HENAN YUDA VALVE MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HENAN YUDA VALVE MFG CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

Top inventors

# Name Total Patents
#1 Fan Jianchao 7
#2 Tong Longfei 6
#3 Guo Wenxian 4
#4 Fan Chenhui 4
#5 Song Xinzhi 3
#6 Wang Weixin 3
#7 Zhou Liuyang 1
#8 Jin Shengli 1
#9 Zhou De 1

Latest patents

Publication Filing date Title
CN111594621A Double-elastic high-temperature-resistant high-pressure-resistant bidirectional-sealing double-eccentric hard-sealing butterfly valve
CN104455486A Bi-directional sealing high-performance butterfly valve
CN104455677A Drive device for butterfly valve
CN104455676A Worm gear driving device for butterfly valve
CN104455675A Sector-shaped worm gear driving device for butterfly valve
CN104405953A Variable-speed worm gear drive device for butterfly valve
CN104405898A Low-maintenance-rate triple-eccentric butterfly valve
CN104405909A Three-eccentric butterfly valve
CN103629372A Three-eccentric center low-flow-resistance butterfly valve
CN103629374A Butterfly plate for three-eccentric center butterfly valve
CN102941432A Supporting rotation device for welding butterfly valve sealing ring