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THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GROUP

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    45,361
  • Filing trend
    ⇧ 175.0%
About

THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GROUP has a total of 34 patent applications. It increased the IP activity by 175.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and it methods for management are YAO YANMING, HYUN E & C and YOON IN BYUNG.

Patent filings in countries

World map showing THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GROUPs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Youqi 25
#2 Li Miao 19
#3 Zhu Lianchen 18
#4 Liu Puqian 17
#5 Song Yuyu 15
#6 Xin Zhuqiao 13
#7 Zhang Xuhai 5
#8 Shi Chao 4
#9 Liu Guoshan 4
#10 Li Shuangmei 4

Latest patents

Publication Filing date Title
CN112281812A Construction process of underground continuous wall
CN112282438A Quick-building pumping irrigation station
CN112211809A Full-automatic water pumping equipment with automatic water level and elevation control
CN112282013A Urban road sponge system
CN111350522A Reinforcing system for damaged segments of subway communication channel in construction period and construction method
CN110284901A Water proof type single shell lining structure and its construction technology
CN110205947A A kind of overline bridge steel box girder construction method
CN110335173A Based on BIM construction management platform and comprehensive monitoring system
CN110260721A Marl stratum high pressure pneumatic component method within the scope of railway protective
CN110306531A High water level erratic boulder stratum construction of diaphragm wall technique
CN110173280A Injection slurry and its methods for making and using same suitable for the backfill of diversion tunnel secondary lining
CN110397079A Marine facies rich water karst strata open-cut station construction technology
CN110259466A A kind of subway station water-rich sand layer big cross section shield-tunneling construction technique
CN110306585A A kind of cushion cap and cover board construction method
CN110331992A A kind of hole daguanpeng construction method
CN110306593A A kind of station construction method
CN110306571A A kind of cutting excavation construction method
CN109740904A A kind of BIM construction management system
CN109723373A A kind of light weathered granite stratum rotary digging drilling hole bored concrete pile construction method
CN109457710A A kind of plain fill deep basal pit combined type soil nail wall and construction method for supporting