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GUIZHOU ROAD & BRIDGE GROUP CO LTD

Overview
  • Total Patents
    69
  • GoodIP Patent Rank
    22,822
  • Filing trend
    ⇧ 16.0%
About

GUIZHOU ROAD & BRIDGE GROUP CO LTD has a total of 69 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and machine tools are SSF INGENIEURE AG, LEE GYEONG PYO and NO YUN KEUN.

Patent filings in countries

World map showing GUIZHOU ROAD & BRIDGE GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 69

Patent filings per year

Chart showing GUIZHOU ROAD & BRIDGE GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Hongju 44
#2 Guo Jiping 41
#3 Zhang Jijin 34
#4 Ran Maoxue 13
#5 Ou Jun 12
#6 Li Guangquan 8
#7 Wang Mengwei 8
#8 Wang Guofeng 7
#9 Yang Guanghua 7
#10 Zhou Guoyun 7

Latest patents

Publication Filing date Title
CN112227600A Double-steel-plate reinforced concrete composite beam
CN112227599A Embedded steel-concrete composite beam wrapped with hoops
CN112227597A H-shaped steel concrete composite beam
CN112127285A Inhaul cable device for whole-hole span-by-span construction of reinforced concrete composite beam
CN112127548A Cast-in-place steel-concrete composite beam
CN111979927A Curved guide beam
CN112095464A Anchoring connection device for precast concrete bridge deck of steel-concrete composite beam
CN112095445A Connection structure of steel-concrete composite beam
CN112095476A Superposition construction device for I-shaped steel-concrete composite beam concrete
CN112095446A Y-shaped steel component of steel-concrete composite beam
CN112095444A I-shaped steel-concrete composite beam secondary stress adjustment system
CN111979930A Hang basket template side and move device
CN111764301A Vertical and longitudinal connecting device for bridge erecting machine
CN111549657A Rapid installation method of bridge basin-type rubber support
CN111549673A Appearance modification equipment for concrete cast-in-place box girder
CN111409655A Rail beam transporting vehicle for steel-concrete composite beam bridge
CN111395195A Operation hanging basket for bolted connection of steel-concrete composite beam segments based on bridge girder erection machine
CN111322958A Laser detector for hole forming quality of manual hole digging pile
CN111501566A Steel-concrete composite beam segment bolt connecting platform and connecting construction method thereof
CN111501577A Hanging basket integral prepressing system and detection method thereof