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WUHU XINXING DUCTILE IRON PIPES CO LTD

Overview
  • Total Patents
    487
  • GoodIP Patent Rank
    3,884
  • Filing trend
    ⇧ 22.0%
About

WUHU XINXING DUCTILE IRON PIPES CO LTD has a total of 487 patent applications. It increased the IP activity by 22.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and environmental technology are Qingdao special steel co ltd, XUANHUA IRON & STEEL GROUP CO and ANHUI FUKAI SPECIAL MAT CO LTD.

Patent filings in countries

World map showing WUHU XINXING DUCTILE IRON PIPES CO LTDs patent filings in countries
# Country Total Patents
#1 China 487

Patent filings per year

Chart showing WUHU XINXING DUCTILE IRON PIPES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Hai 30
#2 Lyu Shaofeng 28
#3 Liu Liexi 26
#4 Zhang Bingcheng 22
#5 Jin Shixing 21
#6 Yang Weiyong 21
#7 Zhang Hongbiao 21
#8 Yue Jiangfeng 21
#9 Liu Zhiyong 20
#10 Lu Man 20

Latest patents

Publication Filing date Title
CN112159878A Water-cooling sealing plate of iron notch sealing device of blast furnace casting house
CN112209239A Crane cart walking emergency safety braking device and method
CN112251563A Slag material homogenizing method for ladle tapping after furnace
CN112226572A Dry dedusting and fine ash discharging device
CN112157241A Machining method for improving center segregation of 180-square-billet high-carbon steel
CN111810457A Cooling water channel device of air cooler of centrifugal air compressor
CN111804935A Round steel turning eccentric device
CN111830997A Metallurgical vehicle position detection control system
CN111721207A Cast tube bellmouth size on-line measuring device
CN111889332A Novel polyurethane coating repairing method for nodular cast iron pipe fitting
CN111804902A Continuous casting rotary table water gap control system and method
CN111810720A Nodular cast iron pipeline support device for tunnel
CN111889637A Online slag blowing device and method for continuous casting bloom
CN111811405A Socket size detection sensor assembly device of nodular cast iron pipe
CN111673054A Casting core dip-coating device
CN111702255A Rod impact sample saw cuts anchor clamps
CN111707600A Steel ladle air brick performance detection device
CN111676336A Blast furnace cooling wall pipe penetrating repair joint and repair method
CN111590042A Hydraulic control device and method and continuous casting ladle nozzle control equipment
CN111438341A Low-carbon aluminum killed steel QD08 and slag inclusion defect control method thereof