Learn more

CHINA RAILWAY 15TH CONSTR BUREAU GROUP CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    55,670
  • Filing trend
    ⇧ 16.0%
About

CHINA RAILWAY 15TH CONSTR BUREAU GROUP CO LTD has a total of 38 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, agriculture and environmental technology are SEOK JUNG CONSTRUCTION CO LTD, NO 1 ENG CO LTD OF CR11BG and 2ND CONSTRUCTION CO LTD OF CTCE GROUP.

Patent filings in countries

World map showing CHINA RAILWAY 15TH CONSTR BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing CHINA RAILWAY 15TH CONSTR BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Hongsheng 11
#2 Ma Huijie 6
#3 Guo Hua 5
#4 Wu Deqiang 5
#5 Sun Fengwei 5
#6 Yang Yilong 5
#7 You Huajun 5
#8 Li Fei 5
#9 Sun Xianxin 4
#10 Zhai Yinwei 4

Latest patents

Publication Filing date Title
CN108842751A Tunnel foundation bracing means
CN108677754A A kind of cantilever cradle for the construction of concrete continuous beam variable cross section
CN108575591A Spraying sowing base material and preparation method for massif restoration of the ecosystem and technique of sowing grass seeds by duster
CN108328744A The three-level ecology pool of processing agricultural non -point pollution based on sponge ecosystem
CN108360516A A kind of massif repair system and construction method based on sponge ecosystem
CN110158469A A kind of bridge hanging basket construction template integrally hangs method down
CN108342985A A kind of steel strand reversal pipe penetration method
CN107339069A A kind of boring method of machine drilling stake
CN107245950A A kind of bridge falls frame structure and the bridge with the structure falls frame method
CN107152092A The installation method of buried water stop and its fixed mount used at a kind of construction joint
CN107152293A The fixation kit of back-adhering waterstop at a kind of construction joint of tunnel
CN106968675A The construction method in gas tunnel goaf
CN106948823A Combine the construction method applied with mining sectbn in station air channel
CN105822311A In-situ extension construction structure and method for extra-large-section tunnel with opening formed inside to enlarge working face
CN105804760A Super-large section tunnel drilling and blasting method in-situ expansion construction structure and construction method
CN107201827A Pre-pressing bracket construction method based on settlement observation
CN107201721A A kind of suspension cable construction method of installation
CN107201718A A kind of main longitudinal grider preparation method of steel structure bridge
CN107199437A A kind of steel anchor beam section preparation method
CN104790271A Track finishing method before direct pavement of long rails of ballast track