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4TH CO CHINA 8TH ENGINEERING BUREAU LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    102,275
About

4TH CO CHINA 8TH ENGINEERING BUREAU LTD has a total of 22 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 materials and metallurgy, machine tools and mechanical elements are TEIHIYUU KK, ILIN NIKOLAJ N and OKUZAWA EIICHI.

Patent filings in countries

World map showing 4TH CO CHINA 8TH ENGINEERING BUREAU LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

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

Focus technologies

Top inventors

# Name Total Patents
#1 Lei Shaohua 19
#2 Kou Dianqiang 12
#3 Rong Tong 7
#4 Huang Yunchang 5
#5 Li Hongde 5
#6 Fu Qiangqiang 4
#7 Liu Xing 4
#8 Lin Zhonghe 3
#9 Chen Mengxiao 3
#10 Li Xianyong 3

Latest patents

Publication Filing date Title
CN105239660A Diversion trench and diversion trench construction method
CN105220837A A kind of mounting method of ornamental sets of brackets on top of the columns
CN105135960A Static blasting method of stonework
CN105256797A Method for waterproof construction of anti-floating anchor rod
CN104964121A Blockage method for leakage water in sleeve pipe
CN104988935A Foundation pit drainage device
CN104895340A Floor elevation pay-off rechecking device
CN104645697A V-shaped groove construction method
CN104524830A Filter sand delivery device
CN104452983A Deformation joint covering device
CN104551097A Punching aid
CN104453247A Floor slab negative reinforcement support
CN104594600A Adjustable type fixed connecting piece for insulation decorative integral board
CN104264918A Wood rafter mounting process and wood rafter connector assembly
CN104264990A Construction method and equipment of sludge-collecting hopper for use in settling tank
CN104153492A Residence internal parting wall
CN103643769A Construction technology of wall plastering and wall body
CN103615123A Reinforcing tool and reinforcing method for steel columns of insulated column
CN103615019A Method for plugging outer wall post-cast strip in advance
CN102926538A Reaction box and construction method of reaction wall