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YICHANG ZHONGNAN PREC STEEL PIPE CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    170,097
  • Filing trend
    ⇩ 80.0%
About

YICHANG ZHONGNAN PREC STEEL PIPE CO LTD has a total of 14 patent applications. It decreased the IP activity by 80.0%. 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, materials and metallurgy and measurement are JIANGSU SHENGDA TECHNOLOGY CO LTD, DONGGUAN KELEE STEEL WIRE CO LTD and CHUZHOU HUAZUN ELECTRIC TECHNOLOGY CO LTD.

Patent filings in countries

World map showing YICHANG ZHONGNAN PREC STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing YICHANG ZHONGNAN PREC STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Fengyun 14
#2 Zhao Jianghua 14
#3 Luo Xiaofan 13
#4 Peng Fei 8
#5 Chen Nian 3
#6 Wang Qin 1
#7 Ding Jun 1

Latest patents

Publication Filing date Title
CN112090983A Method for increasing adhesion of lining bimetal composite pipe
CN112090981A S690Q material reinforced upgrading method
CN111957758A Cold-drawing finishing device and process
CN108973105A A kind of forming frock and method of inner liner stainless steel multiple tube
CN108802323A Major diameter precision seamless steel tubes automatic flaw detection detection device
CN108687169A Precision tube pressure point formula straightener
CN106914518A Precision tube exempts from chuck cold-drawn prosthetic device and method
CN108687147A In high precision, the cold-drawing molding die of the flat ellipse shape heat absorption plate core structure of high intensity
CN108687148A In high precision, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure
CN103316935A Cold-drawing method of heavy-calibre gas cylinder pipe with diameter of more than 500mm
CN103341511A Precise cold drawing method of seamless steel tube with high precision, high intensity and high tenacity
CN103302133A Precise cold-drawing method of high-precision high-strength 30CrMnSi seamless steel tube
CN103173599A Cold extrusion method of high-precision and high-strength steel materials
CN103173771A Method for improving impact performance of steel material