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SHANGHAI QINGYUAN PIPE TECHNOLOGY CO LTD

Overview
  • Total Patents
    13
About

SHANGHAI QINGYUAN PIPE TECHNOLOGY CO LTD has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets machines are MORIYAMA KK, WIEDEMANN GOTTFRIED and SP K B POLIMERNOGO MASH KI PRO.

Patent filings in countries

World map showing SHANGHAI QINGYUAN PIPE TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

# Industry
#1 Machines

Focus technologies

Top inventors

# Name Total Patents
#1 Zhen Wanqing 5
#2 Changyu Su 5
#3 Chen Yan 5
#4 Wang Peng 5
#5 Liu Tianxi 5
#6 Su Changyu 5
#7 Zheng Min 5
#8 Chuanjin Li 5
#9 Zhangyu Su 3
#10 Min Zheng 1

Latest patents

Publication Filing date Title
CN103016858A Glass fiber reinforced polyethylene hollow-wall winding pipe and manufacturing method thereof
CN102911437A Skin-core structured glass fiber reinforced resin composite material and fabricating method thereof
CN102796314A Masterbatch special for buried polyethylene drainage pipeline
CN102691832A Glass fiber enhanced high-density polyethylene (HDPE) double-walled winding pipe and manufacture method thereof
CN102734569A High density polyethylene/cross-linked polyethylene compound double-wall coil pipe
CN102702436A Material special for buried plastic drainage pipeline and preparation method thereof
CN101746058A Welding gun head of plastic spiral pipe
CN101746059A Hot melt adhesive welding device
CN101733924A Pipe coiling machine
CN101706022A Steel-plastic composite pipe manufacture method
CN101653983A Extrusion die for manufacturing wall pipe with plastic winding structure
CN1927931A Special material for producing double-walled entwining tube
CN1928414A Method for making steel reinforced type steel-plastic composite winding pipe