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Shandong longquan pipeline engineering co ltd

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    178,210
About

Shandong longquan pipeline engineering co ltd has a total of 28 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machines and materials and metallurgy are JIYOPURATSUKUSU KK, KVK CORP and EXEL IND SA.

Patent filings in countries

World map showing Shandong longquan pipeline engineering co ltds patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing Shandong longquan pipeline engineering co ltds patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Xing Shibo 23
#2 Li Xiaogang 15
#3 Yang Tishao 15
#4 Zou Xiang 13
#5 Wang Xiangmin 10
#6 Li Tonghua 10
#7 Xiang Chen 9
#8 Dong Chaofang 9
#9 Li Li 9
#10 Cui Guohua 9

Latest patents

Publication Filing date Title
CN105135074A Full-corrosion-resistant direct drinking water lining type prestress steel cylinder concrete pipe
CN105170371A Anti-corrosion full-automatic spraying device for outer portion of horizontal steel cylinder concrete pipe with caliber smaller than 1400 mm
CN105179817A Long-service-life full-anti-corrosion lining type prestress steel cylinder concrete pipe
CN105179821A Full-anti-corrosion embedded type prestress steel cylinder concrete pipe used for direct drinking water
CN105135082A Long-life and full-corrosion-prevention embedded type prestressed steel barrel concrete pipe for direct drinking water
CN105170377A Anti-corrosion full-automatic spraying device for outer portion of vertical steel cylinder concrete pipe with caliber larger than 1400 mm
CN105170386A Large-caliber steel cylinder concrete pipe socket and spigot semi-automatic zinc spraying device based on pipe turning machine
CN105289890A Method for preventing bell and spigot faucet from being splashed in process of spraying outer corrosion-resistant layer to pre-stressed concrete cylinder pipe (PCCP)
CN103225719A Lined prestressed steel cylinder concrete pipe having epoxy protective layer on inner wall
CN103225718A Embedded prestressed steel cylinder concrete pipe having epoxy protective layer on inner wall
CN103232788A Marine heavy anticorrosive epoxy aluminum-nickel-rare earth-enriched nano paint and preparation method thereof
CN103254733A Ocean heavy anti-corrosion epoxy aluminum-rare earth-rich nano-coating and preparation method thereof
CN103242737A Marine heavy anti-corrosion epoxy nano coating rich in aluminium, manganese and rare earth and preparation method thereof
CN103254732A Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof
CN103242738A Marine heavy anti-corrosion epoxy nano coating rich in aluminium, magnesium and rare earth and preparation method thereof
CN103214917A Marine corrosion-resistant epoxy aluminum-magnesium-nickel rear earth rich nanometer material and preparation method thereof
CN103254735A Ocean heavy anti-corrosion epoxy aluminum-rich nano-coating and preparation method thereof
CN103254725A Ocean heavy anti-corrosion epoxy aluminum-nickel-rich nano-coating and preparation method thereof
CN103232789A Marine heavy anticorrosive epoxy aluminum-magnesium-manganese-enriched nano paint and preparation method thereof
CN102705594A Lining type prestress steel cylinder concrete pipe subjected to comprehensive antiseptic treatment