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CHINA RAILWAY GUANGZHOU ENG GROUP CO LTD

Overview
  • Total Patents
    48
  • GoodIP Patent Rank
    31,288
  • Filing trend
    ⇧ 666.0%
About

CHINA RAILWAY GUANGZHOU ENG GROUP CO LTD has a total of 48 patent applications. It increased the IP activity by 666.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and machines are SICHUAN ROAD AND BRIDGE HUADONG CONSTRUCTION CO LTD, CCCC ROAD & BRIDGE SOUTH CHINA ENG CO LTD and CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GROUP CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY GUANGZHOU ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 48

Patent filings per year

Chart showing CHINA RAILWAY GUANGZHOU ENG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Wen 15
#2 Zhu Zhigang 9
#3 Li Jiahong 8
#4 Zhang Yinghong 7
#5 Feng Chaojun 7
#6 You Wei 6
#7 Zhu Yong 6
#8 Guo Junya 6
#9 Li Haiquan 5
#10 Zhang Lijun 5

Latest patents

Publication Filing date Title
CN112288357A Reinforcing steel bar centralized processing and distribution method, system, equipment and medium
CN111945973A Device and method for decorating stand column
CN111824922A Lifting equipment
CN111996912A Cast-in-place winter construction and maintenance method for box-shaped main beam segment of half-through type steel pipe concrete arch bridge
CN111827131A Construction method for accurately positioning steel box girder arranged on module frame
CN111827577A Construction method of supporting beam
CN111411989A Prestressing force strutting arrangement that junctor tunnel excavation was used in tunnel
CN111576216A Bridge tuyere construction trolley
CN111558883A Pipeline cleaner
CN111535818A Rapid construction method for large-section tunnel of high-speed railway
CN111691298A Construction method for wide section of half-through arch bridge
CN111441799A Tunnel secondary lining vault perfusion device and method
CN111021245A Lower tower column linear adjusting structure and method for rhombic cable tower
CN111042004A Hanging basket track beam traveling method
CN110966017A Construction method for water-rich stratum shield interval outer wrapping type tunnel portal ring beam
CN111042003A Construction method of cable-stayed bridge concrete beam combined hanging basket
CN110924405A Construction method of slope protection structure
CN110965474A Construction method of cable tower cross beam
CN110440646A A kind of protective device and production method of jacket-type electric detonator
CN110485311A A kind of double C shape hook movable hanging basket and construction method