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THE 1ST ENG LTD OF CHINA RAILWAY 11TH BUREAU GROUP

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    117,065
About

THE 1ST ENG LTD OF CHINA RAILWAY 11TH BUREAU GROUP has a total of 14 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and machine tools are GEOTECHNICAL TECHNOLOGY CO LTD, HILFIKER PIPE CO and SHENZHEN ZHONGBANG GROUP CONSTRUCTION CONTRACT CO LTD.

Patent filings in countries

World map showing THE 1ST ENG LTD OF CHINA RAILWAY 11TH BUREAU GROUPs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing THE 1ST ENG LTD OF CHINA RAILWAY 11TH BUREAU GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Yinchao 6
#2 Xu Pinghua 5
#3 Hu Zhiqiang 3
#4 Tang Dakun 3
#5 Sun Haolin 3
#6 Chen Jiayong 3
#7 Li Ming 3
#8 Zhang Yao 3
#9 Wang Shaohua 3
#10 Zhang Dechang 2

Latest patents

Publication Filing date Title
CN112031017A Construction method suitable for deep water pile foundation steel casing under bare rock geological condition
CN112281684A Continuous beam zero number block combined support mounting construction method and support
CN112160255A Counter-force prepressing method and tool for zero-number block bracket of double-limb thin-wall pier
CN111945743A Multi-layer unbalanced foundation pit supporting method suitable for staged excavation
CN111877407A Construction method for reserved interface of underground space connecting channel
CN111945583A Edge protection construction method and device for hanging basket end of cantilever grouting beam
CN111827283A Bridge pile foundation pile head breaking protection pretreatment method and device
CN111980039A Construction method and structure of steel sheet pile cofferdam in tidal zone of sea area
CN111533003A Cable installation lifting device for cable-stayed bridge
CN111410117A Vertical lifting appliance for side mold of prefabricated box girder
CN111408675A Prefabricated box girder bottom plate main reinforcement guide device that walks
CN111360978A Prefabricated box girder end mould that can fix a position fast and demolish
CN111395371A Accurate adjusting device of double-walled steel cofferdam
CN111979916A Cable-stayed bridge tower part suspension construction method and suspension operation platform device