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CHINA COMM 2ND NAVIGATIONAL BUREAU 3RD ENG CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    175,535
About

CHINA COMM 2ND NAVIGATIONAL BUREAU 3RD ENG CO LTD has a total of 33 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are SIMPLEX CONCRETE PILING COMPANY, INTRAFOR COFOR and FUNDEX PVBA.

Patent filings in countries

World map showing CHINA COMM 2ND NAVIGATIONAL BUREAU 3RD ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing CHINA COMM 2ND NAVIGATIONAL BUREAU 3RD ENG CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Liu Zhongyou 21
#2 Yueping Ye 7
#3 Hongmei Xing 6
#4 Mao Binghai 6
#5 Yan Xiaowei 5
#6 Geng Yongwei 5
#7 Zhengdong Xu 5
#8 Zhongyou Liu 4
#9 Yang Guigen 4
#10 Mingjun Xi 4

Latest patents

Publication Filing date Title
CN104727306A Cast-in place pile pouring and pile head cutting-off method
CN104727332A Steel sheet pile cofferdam bottom rock-socketed anchoring method
CN104746525A Lifting platform system for placing large caisson in water
CN104612617A Broken drill pipe salvage device inside pile foundation hole
CN103952982A Preloading device and preloading method for hanging basket anchorage pull rod-type jack of bridge box girder
CN103991720A System and method for transporting large concrete caisson boxes
CN103938872A Concrete vertical wall steel bar protection layer limiting device and method
CN103939045A Fishing device for fallen drill teeth of roller bit
CN103410144A Prestressed reinforcement rock-socketed cast-in-place pile and construction method thereof
CN103410084A Assembly-type steel trestle
CN103387186A Concrete circulation conveying system with hanging cages
CN103362074A Bridge cantilever box girder construction hanging basket pre-pressing loading device
CN104328792A Bottomless double-wall steel cover box assembling structure
CN103343545A Steel hanging box flexible hanging device
CN103334405A Locking-type pile gripper of pile foundation
CN103343529A Movable steel pipe raft snorkeling over-water construction platform
CN103183122A Frog type ship propulsion device
CN103437342A Prefabricating process of post-tensioned prestressing pipe pile joint
CN103132695A Finish-rolled deformed steel bar and nut combination used for cantilever creeping formwork construction and installation method
CN103132496A Clamping pile constructed in concrete structure on upper portion of high pile dock pipe pile