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CHINA RAILWAY 15 BUREAU GROUP CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    123,545
About

CHINA RAILWAY 15 BUREAU GROUP CO LTD has a total of 14 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, electrical machinery and energy and computer technology are CHINA RAILWAY 19 BUREAU GROUP RAIL TRANSIT ENG CO LTD, STATE KEY LABORATORY SHIELD MACHINE & BORING TECH and LING XIANCHANG.

Patent filings in countries

World map showing CHINA RAILWAY 15 BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHINA RAILWAY 15 BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tao Yunchao 4
#2 Liu Yonghui 3
#3 Li Mingyu 3
#4 Zhao Shiyong 3
#5 Jin Junwei 3
#6 Li Chunying 2
#7 Li Guang 2
#8 Li Shaohua 2
#9 Yu Weiguang 2
#10 Li Yongmei 2

Latest patents

Publication Filing date Title
CN112131648A Surface settling tank correction method based on three-dimensional mirror image theory and exponential function
CN111980716A Calculation method for predicting soil body settlement caused by asynchronous tunneling of parallel tunnels
CN111691899A Construction method for excavating underpass bridge tunnel based on CRD (reverse tunneling diode) of full-face grouting
CN111594221A Tunnel secondary lining full-section integrated construction trolley and secondary lining method using same
CN111455859A Construction method for bracket of No. 0 and No. 1 steel bridge with high piers and continuous steel structure
CN111441800A Karst cave filling device and filling method thereof
CN111371045A Cable groove structure and installation process thereof
CN111293785A Transformer substation power monitoring system
CN111445509A TBM hob abrasion geometric dimension visual measurement method and system
CN111239367A Automatic simulation experiment device and method for ground settlement
CN111122329A Electric movable retaining wall test system
CN111189712A Shield tunnel seam stress prototype test system
CN110016860A A kind of hanging apparatus of double drag-line cable-stayed bridges
CN108565785A Direct-buried cable laying method and the dedicated cable protecting sleeve of this method