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SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH BUREAU GROUP CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    39,294
  • Filing trend
    ⇩ 72.0%
About

SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH BUREAU GROUP CO LTD has a total of 39 patent applications. It decreased the IP activity by 72.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and materials and metallurgy are HYUN E & C, GEORGE WILLIAM CHRISTIANS and LEE PYOUNG WOO.

Patent filings in countries

World map showing SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Jian 12
#2 Wang Haiming 10
#3 Wang Bingzhong 9
#4 Gong Min 8
#5 Li Shun 8
#6 Huang Fuchang 7
#7 Wang Haitao 7
#8 Jiang Weijie 6
#9 Cao Degeng 6
#10 Dai Xingmin 5

Latest patents

Publication Filing date Title
CN111911184A Air duct formed by expanding and excavating multilayer temporary construction channel and construction method
CN111809660A Comprehensive pipe gallery rectangular trolley and construction method
CN111810204A Fine adjustment anchorage device and method capable of compensating prestress loss of water-rich sand layer
CN111749246A Installation method of prestressed anchor cable of water-rich sand layer
CN110683810A Crack-resistant concrete suitable for large-scale station and construction method
CN110805040A Device and method for pre-treatment of super-cast concrete of underwater cast-in-situ bored pile
CN110640395A Quick joint and method for repairing broken shaft of shield screw machine
CN110596768A Detection method for deeply-buried high-pressure gas pipeline
CN110374609A A kind of ultra-shallow earth-covered shield lakebed builds island driving method
CN110195593A A kind of shield machine external circulating water-cooled but system and method
CN110118086A A kind of shield machine quick moving device and method
CN110044330A A kind of tunnel roof surrounding rock displacement measuring device and method
CN109854276A A kind of small spacing multiple track tunnel hole support construction
CN109610469A A kind of support of assembly concrete-filled steel tube and construction method
CN109268042A A kind of small pilot tunnel leading support equipment and construction method
CN109538229A A kind of construction method of tunneling subway tunnel crossing ancient building
CN108978709A City integrated piping lane branch construction method under a kind of space-constrained environments
CN110029683A A kind of construction method using subsidence area as subway tunnel ground
CN107905252A A kind of concreting mould bases and its construction method
CN107893659A A kind of shaft excavation construction method for charging of being unearthed by underground