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SHANGHAI QINGYUAN PIPE TECH CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    92,456
  • Filing trend
    ⇩ 25.0%
About

SHANGHAI QINGYUAN PIPE TECH CO LTD has a total of 18 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and mechanical elements are Suzhou ruibang plastic co ltd, ANHUI YUFA PLASTIC INDUSTRY CO LTD and ZHONGSHAN SCHLEMMER AUTOMOTIVE PARTS CO LTD.

Patent filings in countries

World map showing SHANGHAI QINGYUAN PIPE TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing SHANGHAI QINGYUAN PIPE TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Su Changyu 16
#2 Yang Yongzhe 13
#3 Shen Jiajun 12
#4 Liu Yun 4
#5 Sun Zhongkai 4
#6 Yang Hao 4
#7 Liu Gang 2
#8 Su Yalan 2
#9 Zhang Yongcheng 1

Latest patents

Publication Filing date Title
CN112140600A HDPE hollow wall winding pipe with two outlets in one direction and preparation method thereof
CN112126143A Cassette type HDPE hollow wall shield segment protective sleeve and preparation method thereof
CN111231284A Method for manufacturing flaring of double-flat-wall winding pipe by winding molten plastic belt
CN111234341A Special high-strength high-toughness HDPE (high-density polyethylene) glass fiber master batch for large-diameter pipes and preparation method thereof
CN111231283A Method for manufacturing flaring of double-flat-wall winding pipe by winding plastic pipe and forming connection
CN108662301A A kind of pipe of concrete with enhancing anchor structure liner plastic sheet
CN108662302A A kind of pipe of concrete of liner water swelling plastic sheet
CN108662354A A kind of pipe of concrete of liner Elastic plastic-rubber sheet material
CN108276635A The preparation method of plastics PP Pipe Compound and square tube core layer foaming winding pipe based on the PP Pipe Compound
CN108204238A The Rapid-assembling apparatus and assemble method of the effective check-valves of slip casting
CN108150188A The Rapid-assembling apparatus and assemble method of shield duct piece sliding slot Anchor plate kit
CN108150189A The quick removing device of shield duct piece Grouting Pipe and form removal method
CN106608999A Material special for plastic pipes and preparation method of continuous-fiber-cloth-enhanced plastic pipe
CN106608034A Continuous fiber bundle multi-layer co-extrusion head die
CN106608994A Plastic pipe special material and preparation method of continuous fiber cloth reinforced double-wall winding pipe
CN106608995A Material special for plastic pipes and preparation method of continuous-fiber-bundle-enhanced double-wall winding pipe
CN106608036A Continuous fiber cloth or fiber cloth cover multilayer coextrusion head mould
CN106608997A Special material for plastic pipe and preparation method for continuous fiber bundle-reinforced plastic pipe