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4TH CO CHINA 8TH ENG BUREAU LTD

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    42,386
  • Filing trend
    ⇩ 33.0%
About

4TH CO CHINA 8TH ENG BUREAU LTD has a total of 37 patent applications. It decreased the IP activity by 33.0%. 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, electrical machinery and energy and measurement are CHINA CONSTR 8TH ENG DIVISION, YANG NAE MOON and CHINA CONSTR 7TH ENG DIVISION CORP LTD.

Patent filings in countries

World map showing 4TH CO CHINA 8TH ENG BUREAU LTDs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing 4TH CO CHINA 8TH ENG BUREAU LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lei Shaohua 21
#2 Li Xiaoming 7
#3 Qi Zhenguang 7
#4 Li Chaopeng 7
#5 Liu Zhimeng 6
#6 He Xu 6
#7 Kou Dianqiang 6
#8 Dong Lei 5
#9 Xiao Shilang 5
#10 Wang Deli 4

Latest patents

Publication Filing date Title
CN109914831A A kind of PC point appraises and decides device
CN109931657A A kind of heating dish pipe fixing device
CN109667226A A kind of cable wind rope construction method
CN109403223A A kind of bridge pile foundation method for repairing and constructing
CN109436041A A kind of time saving and energy saving building stones mine car
CN108666945A Multi-faceted amendment wire box
CN108777463A One kind can significantly adjust wire box group
CN108894335A A kind of steel plate built-in fitting construction method and steel plate pre-embedded device
CN107806808A A kind of bar spacing aligner
CN107642205A A kind of roof exhaust system and its construction method
CN107419897A A kind of reinforcing mould of windowsill coping formwork
CN107460895A A kind of construction method for improving aproll partitioning slot quality
CN106968352A Wall construction stitches construction method
CN106966308A Tower crane spray dust curing means
CN106639282A Movable steel-truss operating platform
CN106639932A Anchor rod drilling machine and flying dust falling device thereof
CN106801515A A kind of positioner for being preset to comb
CN106436773A Set-shaped formwork support for construction of connecting part of bottom plate and outer wall
CN106401380A Outer window tongue and groove structure
CN106522365A Concrete pouring method for joint of transverse beam and vertical column and separation tool