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CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    70,301
  • Filing trend
    ⇩ 37.0%
About

CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTD has a total of 23 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and packaging and shipping are SHANGHAI MINIE TECH CO LTD, HYUN ENG AND CONSTRUCTION CO LTD and URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUP.

Patent filings in countries

World map showing CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhang Jie 8
#2 Wang Yongwen 5
#3 Wang Zhigang 4
#4 Zhang Jun 4
#5 Jiang Tao 4
#6 Wang Jianghua 4
#7 Gao Chong 4
#8 Zhang Qiang 3
#9 Jiang Yingxing 3
#10 Ye Zusheng 3

Latest patents

Publication Filing date Title
CN109944120A Quickly tearing shipping unit open and tear transportation method open for rail is transported in shield method tunnel construction
CN109931081A Shield assembling machine section of jurisdiction flexibility snatch mechanism and flexible snatch method
CN108915724A A kind of section of jurisdiction stabilisation system and method for full face rock tunnel boring machine construction
CN108533288A Tunnel portal expanding reach secondary lining applies trolley
CN108423565A The erection of U-shaped twin beams gantry crane with hook and Demolition Construction method
CN108442364A Karsts developing area stratum can prevent a full set of cylinder pile-forming apparatus and pile making method of broken pile
CN108425686A Tunnel portal expanding reach secondary lining applies method
CN107143349A Shield duct piece, which binds, the assembled device of block and applies method
CN107201905A Shield center girff renovation technique at ambient pressure in upper-soft lower-hard ground
CN107268608A Building waste earth-boring stake forming hole method
CN107165642A Accurately control the shield construction method of ground settlement
CN107178376A Compound stratum shield machine dregs transportation system
CN106837360A Upper-soft lower-hard ground shield machine open a position tool changing when mud film construct mechanism and construction method
CN106759458A The U-shape structure of bridge pile foundation underpins transfer system and its applies method
CN106640105A Soft land layer shield pile grinding system and pile grinding method
CN105909258A Settlement control and compensation system and method for underneath pass existing building pipe-roofing construction
CN105909265A Heaving-prevention retrusive deep-hole grouting system and method for passing through existing shield tunnel
CN105909259A Pipe curtain construction settlement control system and method for close-range underpassing of existing shield tunnel
CN105507908A Three-arch construction process for connecting tunnel of large cross-section tunnel
CN105569671A System and method for conveying residual soil in T-shaped underground excavation tunnel shield construction