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NO 2 ENG CO LTD OF CHINA RAILWAY 17 BUREAU GROUP

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    130,544
  • Filing trend
    ⇩ 66.0%
About

NO 2 ENG CO LTD OF CHINA RAILWAY 17 BUREAU GROUP has a total of 13 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and packaging and shipping are SICHUAN PROVINCIAL TRANSP DEPARTMENT HIGHWAY PLANNING SURVEY DESIGN & RES INST, CHINA RAILWAY CONSTRUCTION INVEST GROUP CO LTD and THIRD ENGINEERING CO LTD OF CCCC SECOND HIGHWAY ENGINEERING BUREAU.

Patent filings in countries

World map showing NO 2 ENG CO LTD OF CHINA RAILWAY 17 BUREAU GROUPs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing NO 2 ENG CO LTD OF CHINA RAILWAY 17 BUREAU GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Cuiqin 5
#2 Wang Junping 3
#3 Wang Aixiao 2
#4 Hou Jie 2
#5 Chen Bing 2
#6 Wang Haitao 2
#7 Chen Jinming 2
#8 Wang Xinmin 2
#9 Li Haoyu 2
#10 Li Pengcheng 1

Latest patents

Publication Filing date Title
CN110374636A A kind of construction method of tunnel rock burst security protection
CN110412251A A kind of cement paste shrinkage character test measurement method and device
CN110065886A A kind of gantry crane transports the walking electric control system of T beam
CN109958467A A kind of dust control by ventilation method for constructing tunnel
CN108640451A A kind of purifying agent and preparation method suitable for bridge drilling mud
CN108103922A It is a kind of to cross water suspension bridge construction method for the big amount of increase river of high flow rate
CN107882582A Mobile hydraulic Work protection platform in a kind of tunnel
CN107974886A One kind is used for city crossroad traffic dispersion system
CN106522838A Traveling type tunnel trolley
CN105951610A Support structure assisting in cantilever beam construction and construction method
CN105926443A Construction method for continuous rigid frame side span by first girder installation and then closure
CN105730316A Highway safety transporting method and device for railway high-speed turnout overlong components
CN105484113A Method for preventing track panel from floating upwards during concrete casting period of double-block ballastless track