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JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    91,570
  • Filing trend
    ⇧ 100.0%
About

JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO LTD has a total of 25 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, civil engineering and measurement are PIPE TRANSF LTD, CACTUS WELLHEAD LLC and Neway oil equipment suzhou co ltd.

Patent filings in countries

World map showing JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Peijian 17
#2 Jiang Yuhu 16
#3 Zhang Xueqing 13
#4 Jiang Jinwei 9
#5 Ding Zhongming 5
#6 Gu Bangliang 4
#7 Zhu Hongwu 3
#8 Liu Shouhua 3
#9 Zhang Tinggao 3
#10 Zhang Shuiyu 3

Latest patents

Publication Filing date Title
CN111894514A Compact ultrahigh pressure oil (gas) production wellhead device
CN111963105A Ultrahigh pressure kill manifold with throttling pipeline
CN111323163A Piston type pressure gauge buffer
CN111306354A Lifting type check valve capable of reducing water hammer damage
CN111140699A Connecting pipeline between ultrahigh pressure fracturing manifold and wellhead device
CN110701367A Economical and practical hydraulic driving mechanism for plug valve
CN110657255A Ultrahigh-pressure sand-proof plug valve with easily replaced core
CN110645402A Driving mechanism for hydraulic and manual rapid conversion of fracturing flat valve
CN110630810A Manual driving mechanism for plug valve
CN108561100A A kind of oil field valve heating and thermal insulation set
CN108252667A A kind of Combined casing head abrasionproof bushing takes out tool
CN106989185A A kind of novel rotating wheel formula manual throttle valve
CN105569588A Special cleaning head for field installation of wellhead equipment
CN105387267A Split hand wheel and hydraulic drive flat valve
CN105351544A Overlap-type hand wheel and hydraulic driving flat valve
CN105864462A Manual two-section hidden-rod integrated flat valve
CN105275423A Single-stage casing head with field-replaceable hanger
CN103278071A Universal measuring tool and measuring method of diameter of trapezoid packing ring groove
CN103277063A Tangential vortex annulus fracturing wellhead device
CN103089188A Fracturing-extraction well head device with combined sealing, directional separation and abrasion resistance