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NANTONG LONGYUAN POWER STATION VALVE CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    69,304
About

NANTONG LONGYUAN POWER STATION VALVE CO LTD has a total of 34 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machine tools and chemical engineering are SHANGHAI HUDONG MARINE VALVE MFT CO LTD, HE HARBIN POWER PLANT VALVE COMPANY LTD and Tianjin yongsheng valve co ltd.

Patent filings in countries

World map showing NANTONG LONGYUAN POWER STATION VALVE CO LTDs patent filings in countries

Patent filings per year

Chart showing NANTONG LONGYUAN POWER STATION VALVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Zhenyu 28
#2 Cao Xueqin 10
#3 Chen Dongdong 9
#4 Xu Xiuran 1
#5 Zhenyu Wu 1
#6 Xiuran Xu 1

Latest patents

Publication Filing date Title
CN112145718A Valve structure for low-pressure pipeline of thermal power plant
CN112145755A Emergency cut-off mechanism of check valve
CN112025482A Machining process of valve stem nut with high corrosion resistance
CN112090663A Energy-saving type drain valve processing method
CN110726066A Bidirectional drain valve structure with easily-adjusted flow
CN110748652A Vacuum die-casting stop valve of hydraulic pump
CN110735967A self-locking liquid-driven ball valve
CN110762258A Ultrahigh-temperature high-pressure large-caliber check valve
CN109185467A A kind of antiscour valve with changeable valve seat shut-off valve
CN109210223A A kind of novel double-gate plate gate valve
CN109268541A A kind of built-in swing check valve
CN109442201A A kind of double containment antiscour drain valve
CN106523785A V-shaped structure valve rod sealing padding
CN106695537A Eccentric grinding tool for sealing face of valve sealing part
CN106545661A A kind of new stifled valve
CN107061861A A kind of labyrinth type antiscour regulating valve
CN106670923A Grinding method for valve sealing elements
WO2018076155A1 Parallel gate valve
WO2018076157A1 Novel anti-erosion control valve
CN105605305A Novel anti-scouring adjusting valve