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CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG CO LTD

Overview
  • Total Patents
    55
  • GoodIP Patent Rank
    28,085
  • Filing trend
    ⇧ 69.0%
About

CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG CO LTD has a total of 55 patent applications. It increased the IP activity by 69.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and packaging and shipping are CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTD, ANHUI ROAD & BRIDGE ENG CO LTD and HUBEI PROVINCIAL ROAD & BRIDGE CO LTD.

Patent filings in countries

World map showing CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 55

Patent filings per year

Chart showing CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mei Long 14
#2 Lin Shukui 7
#3 Fan Bo 6
#4 Dong Ke 6
#5 Hu Anxiang 6
#6 Liu Xiaoyong 6
#7 Liu Jinghong 6
#8 Li Ning 5
#9 You Xinpeng 5
#10 Wang Lei 5

Latest patents

Publication Filing date Title
CN112033360A Prism centering rod and prism centering rod height measuring method
CN111948999A Automatic control system for frame beam
CN112227206A Process design and construction method for ground anchor to self-anchored beam
CN111945572A Multi-connected arch bridge erecting machine and multi-connected arch bridge erecting method
CN111848022A Marine underwater low-strength plastic concrete and preparation method thereof
CN111648823A Collapse treatment method suitable for fault fracture zone tunnel
CN111648244A Method and device for mounting rigid suspension cable supported by existing suspension rod
CN111764282A Rigid suspension cable stiffening steel truss bridge construction method based on inclined pull buckling hanging method
CN111620618A High-strength low-hydration-heat marine concrete and preparation method thereof
CN111058505A Dredging device suitable for space-limited environment and construction method thereof
CN110697570A Tower top main cable saddle mounting system and using method thereof
CN110616637A Overlength multifunctional integrated bridge girder erection machine and construction method for installing prefabricated bridge
CN110616635A Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition
CN110616636A Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure
CN110436225A It is a kind of can a wide range of uniform distribution belt conveyor
CN110067203A A kind of pier shaft bent cap hanging bracket applied to the area rough swell Lang Didun
CN110080257A The construction method of lock steel pipe pile cofferdam suitable for estuary high water head
CN109750602A The anti-slamming of offshore lifting is quickly come to nothing device
CN109594478A Applied to the high-rise pile cap steel lifted trunk bottom sealing method under long-period wave surge condition
CN109518606A For adjusting the arc backing plate and its mounting process of circular formwork