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YANGZHOU CHENGDE STEEL PIPE CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    78,765
  • Filing trend
    0.0%
About

YANGZHOU CHENGDE STEEL PIPE CO LTD has a total of 38 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets machine tools, materials and metallurgy and mechanical elements are UGINE SA, PRIMETALS TECH ITALY S R L and MAANSHAN YINDING MACHINERY MFG CO LTD.

Patent filings in countries

World map showing YANGZHOU CHENGDE STEEL PIPE CO LTDs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing YANGZHOU CHENGDE STEEL PIPE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Rujun 19
#2 Chen Wei 17
#3 Li Jin 15
#4 Lyu Zhengnan 14
#5 Zhang Huaide 14
#6 Xu Yingeng 10
#7 Pang Deyu 6
#8 Rujun Wang 6
#9 Zhang Jiannan 5
#10 Haichun Liu 3

Latest patents

Publication Filing date Title
CN111001659A Production method of seamless steel tube with diameter of 1700-2000mm
CN110355208A The anti-oxidant device of nitrogen blowing in a kind of perforation mandril cooling of plug and hollow billet
CN110393976A Abrasive material is unpowered recycling separator
CN110404972A A kind of production method for the seamless steel pipe that diameter is 1422mm
CN110331333A The pipe and its production method of X80 pipeline seamless large-diameter pipes
CN110404973A A kind of manufacturing method for the seamless steel pipe that diameter is 760mm~914mm
CN109058753A A kind of marine worker pressure vessel bottle and its production method
CN107803411A A kind of manufacture method of super austenitic stainless steel seamless large-diameter pipes
CN105619085A Production technology for large-volume steel seamless cylinder with diameter being 914 mm
CN105567916A High-volume steel seamless gas cylinder heat treatment method
CN105728576A Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder
CN105234463A Deep hole boring process of cross-pierced tube blanks of high-alloy large-diameter seamless steel tubes
CN105234200A On-line tube-expanding production process of large-diameter seamless steel tubes
CN105478478A Process for forming large-diameter seamless thick-wall and extra-strong steel pipes
CN105234178A Flexible process route for producing large-caliber seamless steel tube
CN106694555A Method for producing large-caliber seamless steel tube through piercing, tube reducing and skew rolling
CN106695029A Device for machining internal thread of cylinder opening of large-volume steel seamless gas cylinder
CN106694554A Method for producing large-caliber seamless steel pipe through perforation, reducing, skew-rolling, reeling and sizing
CN105290734A Machining technology of large-volume steel seamless cylinder opening
CN106694556A Method for producing large-diameter seamless steel pipe through heating, perforating and skew rolling