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DALIPAL PIPE CO

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    42,485
  • Filing trend
    ⇧ 40.0%
About

DALIPAL PIPE CO has a total of 39 patent applications. It increased the IP activity by 40.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and machine tools are BAOSTEEL SPECIAL STEEL LONG PRODUCTS CO LTD, NANJING IRON & STEEL CO LTD and MINMETALS YINGKOU MEDIUM PLATE CO LTD.

Patent filings in countries

World map showing DALIPAL PIPE COs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing DALIPAL PIPE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Deng Xuyan 21
#2 Hu Chujiang 17
#3 Feng Ying 7
#4 Li Yingzhen 6
#5 Yin Zhixiang 6
#6 Liu Ke 5
#7 Feng Chuanning 5
#8 Li Jianqiang 5
#9 Li Jinwei 5
#10 Wang Xuemin 5

Latest patents

Publication Filing date Title
CN111979498A Sulfide stress corrosion resistant oil sleeve material and preparation method thereof
CN112143972A High-strength heat-resistant oil sleeve material and preparation method thereof
CN112176241A Low-alloy corrosion-resistant oil sleeve material and preparation method thereof
CN111996331A Smelting method for reducing consumption of ultrahigh-power graphite electrode of electric arc furnace
CN111945069A High-alloy corrosion-resistant oil sleeve material and preparation method thereof
CN111910130A Oil casing material for ultra-deep, ultra-high pressure and ultra-high temperature oil and gas wells and preparation method thereof
CN111961973A Low-alloy high-strength sulfur-resistant oil sleeve material and preparation method thereof
CN111412862A Detection device for core rod
CN110745497A Full-automatic feeding and discharging process for oil casing coupling thread treatment
CN110760754A 110KSI heat-resistant petroleum casing pipe and manufacturing method thereof
CN110643783A Narrow range control method for Ti content of Ti microalloyed steel
CN110629008A Method for improving quenching uniformity of internal-spraying and external-spraying quenching system
CN109913756A A kind of performance seamless line pipe and preparation method thereof
CN109913757A A kind of corrosion-resistant high anti-extrusion petroleum casing pipe and preparation method thereof
CN109898020A A kind of titanium microalloying seamless line pipe and preparation method thereof
CN109663813A Perforating machine centering roller opening adjustment device and punch
CN109280739A A method of promoting electric furnace molten steel recovery rate
CN109136786A Non-quenched and tempered N 80 steel grade petroleum casing pipe and preparation method thereof
CN109178889A Oil casing collar production material circulation technique
CN108823355A A method of improving the v n micro alloying nitrogen in steel rate of recovery