Learn more

WUXI OULONG SPECIAL STEEL PIPE CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    198,605
About

WUXI OULONG SPECIAL STEEL PIPE CO LTD has a total of 11 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets machine tools and mechanical elements are NINGBO CHANGHUA COPPER PRODUCTS CO LTD, SHANGHAI KAKU ELECTRIC EQUIPMENT CORP and BARANIK VITALIJ D.

Patent filings in countries

World map showing WUXI OULONG SPECIAL STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing WUXI OULONG SPECIAL STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yuan Bing 11
#2 Fei Hongjun 6
#3 Zhang Kui 6
#4 Shen Huimin 5

Latest patents

Publication Filing date Title
CN104759888A Manufacturing method of hot-rolled high-hardness petroleum pipe
CN104759833A Method for manufacturing hot-rolled and precisely-rolled petroleum pipe
CN104759835A Manufacturing method of hot-rolled high-precision petroleum pipe
CN104759834A Hot-rolled high-strength oil pipe manufacturing method
CN104759832A Manufacturing method of hot-rolled high-collapse-resistance petroleum pipe
CN103433281A Ejector header cooling device of seamless tube perforating machine
CN103433283A Pipe mill graphite core rod water blowing device
CN103433284A Seamless steel tube mill retracting device
CN103433301A Pipe mill skew roller feeding device
CN103433286A Pipe mill core rod graphite lubrication and spraying system
CN103433288A Rack of seamless steel tube stretch reducing machine