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CHINA CONSTRUCTION TUNNEL CORP LTD

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    42,782
  • Filing trend
    ⇧ 120.0%
About

CHINA CONSTRUCTION TUNNEL CORP LTD has a total of 36 patent applications. It increased the IP activity by 120.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, computer technology and it methods for management are CHINA RAILWAY NO 5 ENG GROUP, CHINA RAILWAY 19TH BUREAU GROUP 2ND CO LTD and CHINA RAILWAY 19TH BUREAU GROUP SECOND ENG CO LTD.

Patent filings in countries

World map showing CHINA CONSTRUCTION TUNNEL CORP LTDs patent filings in countries
# Country Total Patents
#1 China 36

Patent filings per year

Chart showing CHINA CONSTRUCTION TUNNEL CORP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Can 6
#2 Zhang Yantao 6
#3 Lei Mingfeng 5
#4 Zheng Bangyou 5
#5 Yang Peicheng 5
#6 Liang Jun 4
#7 Zhong Zhiquan 4
#8 Yin Hui 4
#9 Luo Anquan 4
#10 Lu Zhiqiang 4

Latest patents

Publication Filing date Title
CN111910522A Active jacking auxiliary support construction system for beam-arch combined rigid frame lower chord arch support
CN111749715A Self-propelled tunnel multipurpose sprays maintenance platform truck
CN111691907A Anchor rod for tunnel support
CN111706376A Assembled anchor rod
CN111749132A Construction method for lower chord beam of arched beam combined type continuous rigid frame bridge
CN111749134A Auxiliary support construction device and construction method for beam-arch combined continuous rigid frame bridge
CN111749133A Beam-arch combined rigid frame bridge and construction method of bridge pier thereof
CN111442707A Bridge rotation process turntable and slideway gap real-time measuring device
CN110919851A Utilize sediment soil preparation bentonite to mix device of thick liquid
CN110905524A Method for excavating and supporting subway station tunnel by adopting underground excavation construction channel
CN110486036A A kind of first branch ledge method construction method of expansion arch springing
CN110409377A Gutter molding machine
CN110374113A Suitable for steel pipe support foundation pit fast support replacing method and active joint
CN110273698A A kind of pre-buried steel loop water-stopping system of gasbag-type
CN110118088A A kind of development machine positioning driving method and its system
CN110145314A A kind of method that the tall and big Core Soil of extra-large cross-section bored tunnel is removed
CN109944612A A kind of tunnel double-lining trolley
CN110185484A The combined anchor device and construction method that tunnel wall rock deformation quickly controls
CN109665469A Automatic clinker-removing device and automatic ash ejector method for subway rapid construction
CN109653193A Inversion underground continuous wall construction method