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NANTONG STATE ELECTRIC POWER VALVE CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    55,489
  • Filing trend
    ⇩ 54.0%
About

NANTONG STATE ELECTRIC POWER VALVE CO LTD has a total of 39 patent applications. It decreased the IP activity by 54.0%. 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 and machine tools are PK VALVE CO LTD, KING LAI HYGIENIC MAT CO LTD and TIANJIN KRS VALVE CO LTD.

Patent filings in countries

World map showing NANTONG STATE ELECTRIC POWER VALVE CO LTDs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing NANTONG STATE ELECTRIC POWER VALVE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hu Yongxiang 39
#2 Xu Yongming 39
#3 Zhu Xiang 35
#4 Han Jianli 23
#5 Guo Yulin 20
#6 Zhang Yilong 19
#7 Xu Yun 14
#8 Zhao Huaizhong 14
#9 Gu Chunli 14
#10 Gu Shijun 6

Latest patents

Publication Filing date Title
CN109340450A Nuclear power island heart reheated steam main flow control valve spool and its processing technology
CN109175756A The technique of F92 valve body and F11 piping dissimilar steel butt welding
CN109114236A Nuclear power island heart reheated steam main flow control valve
CN109158786A The welding procedure of C12A cast steel valve body sealing surface
CN108561563A Nuclear power island heart bellows guide type screw down nonreturn valve
CN107725808A The support column release blowdown hand sluice valve of nuclear power island heart level four
CN107701738A Nuclear power connects angie type needle valve with extra-high voltage triton
CN107504230A The nuclear power island heart oblique valve single flow non-return valve of valve body bolt connection
CN107725806A Supercritical high pressure band bypasses expanding without pod apertures parallel gate valve
CN107269908A Nuclear power connects angie type needle valve with extra-high voltage triton
CN107269891A A kind of small-bore oblique flap-type forging welding end check-valves of extra-high voltage
CN107228204A A kind of overcritical No leakage bellows forging parallel slide valve
CN107289161A A kind of overcritical extra-high voltage Y shape manual shutoff check-valves without spin
CN107314116A A kind of overcritical pneumatic cut-off throttle valve of heavy caliber pressure-releasing type
CN107289154A A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve
CN107228202A A kind of Y shape supercritical DC guide type method weldering connection double acting valve
CN106402416A Throttle valve welded with pipe under extra-high pressure and having hard self-sealed forged welding end and welding method
CN105864468A Ultra-supercritical tape bypass spherical sealing check valve
CN105822798A Valve body split welding angle type non-return door for nuclear island
CN105042175A Compact expansion sewage drain soft and hard dual-seal parallel gate valve