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CHINA RAILWAY 19TH BEREAU GROUP CO LTD

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    38,567
  • Filing trend
    ⇩ 54.0%
About

CHINA RAILWAY 19TH BEREAU GROUP CO LTD has a total of 58 patent applications. It decreased the IP activity by 54.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, electrical machinery and energy and measurement are NAWOO TECHNOLOGY CO LTD, THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP and CCFEB CIVIL ENG CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY 19TH BEREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 58

Patent filings per year

Chart showing CHINA RAILWAY 19TH BEREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Song Lizhu 9
#2 Shang Erhai 8
#3 Kou Haijun 7
#4 Song Shenglin 6
#5 Yao Hu 6
#6 Zhao Yongjun 6
#7 Wang Chuanyong 5
#8 Bo Chunlian 5
#9 Liu Hui 5
#10 Mao Jiaxing 4

Latest patents

Publication Filing date Title
CN109826110A A kind of continuous beam rotor system of with end bay slideway
CN109538894A A kind of railroad bridge misalignment measurement auxiliary device
CN109537469A The cast-in-place edge of a wing support mould bases of prefabricated case beam and its construction method
CN109626221A Railroad bridge wind barrier hanging apparatus
CN109629427A Lifting device is used in railroad bridge construction
CN108458667A Track plates deform device for fast detecting and detection method
CN107244388A Floating towboat and bridge erection system, method for installing girder steel
CN106968147A A kind of composite road bed structure of cast-in-situ bored pile and its construction method
CN107165037A A kind of fall girder apparatus and fall beam construction method
CN106917629A A kind of pipe roof construction device and method
CN107023176A A kind of low pressure concrete structural cracks method for repairing and mending and device
CN106869033A The box girder pre-stressed pipeline pneumatic mortar packing control method of large-sized concrete
CN106968139A The construction method of railway bed supporting in undercrossing tunnel jacking framed bridge jack-in process
CN106968673A Metal Open mountain goaf harnessing method
CN106884664A Tunnel overhead arch mould plate and tunnel inverted arch filling rapid constructing method
CN106869032A A kind of bridge bearing platform constructing tie beam method
CN107100076A A kind of Cast-in-place Bent Cap construction method
CN105156136A Water pipe one-time casting forming template and forming method
CN104563126A Rotary drill drilling cast-in-place pile construction method
CN104480932A Saline alkali muddy soil ground cement mixing pile construction method