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CRCC BRIDGE ENG BUREAU GROUP NO 4 ENG CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    49,682
  • Filing trend
    ⇧ 1400.0%
About

CRCC BRIDGE ENG BUREAU GROUP NO 4 ENG CO LTD has a total of 32 patent applications. It increased the IP activity by 1400.0%. 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, telecommunications and materials and metallurgy are CCFEB CIVIL ENG CO LTD, CHINA RAILWAY NO 9 GROUP NO 7 ENG CO LTD and NO 3 ENGINEERING CORPORATION LTD OF CR20G.

Patent filings in countries

World map showing CRCC BRIDGE ENG BUREAU GROUP NO 4 ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing CRCC BRIDGE ENG BUREAU GROUP NO 4 ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ge Qingshan 16
#2 Hu Liping 13
#3 You Chunying 11
#4 Tang Xiaojun 10
#5 Wang Hongyi 7
#6 Lin Zaizhi 5
#7 Sun Gang 5
#8 Li Guilin 4
#9 Cheng Wei 4
#10 Zhao Jian 4

Latest patents

Publication Filing date Title
CN111576237A Vibration compaction method for asphalt concrete bridge deck pavement
CN111629346A Bridge deck pavement intelligent compaction monitoring system and method based on wireless sensor
CN111576157A Rapid and green hardening method for temporary construction site
CN111576258A Method for dismantling Bailey beam support for road crossing and river crossing
CN111451207A Gravel cleaning equipment and cleaning method thereof
CN111561156A Operation method for quickly assembling material separating wall of mixing station
CN111485499A Electric climbing hanging basket for high-position small-space operation and mounting method
CN111549685A Method for jacking box girder of old bridge
CN110723932A Underwater anti-dispersion concrete prepared from construction waste recycled aggregate
CN109972666A Excavation of subway foundation pit controls the existing construction method for closing on pipeline disturbance
CN109778885A A kind of double-wall steel cofferdam cross frame hanging device and method
CN109797662A Long span cast-in-situ box girder crosses over high-grade highway bracket and construction method
CN109883485A A kind of intelligent monitor system of bridge high trestle
CN109909131A A kind of preparation method of graphene-based steel corrosion-inhibiting coating
CN109943111A A kind of preparation method of graphene-based anti-corrosion reinforcing bar
CN108589711A A kind of construction method of bead string type solution cavity development area fender post
CN108797656A A kind of detection method of pile foundation multilayer karst cave
CN108425323A A kind of cast-in-place box beam assembled moving template
CN108425322A A kind of No.0 of continuous beam concreting is vibrated the setting method in channel
CN108193696A A kind of construction method of Deep Foundation Pit of Metro Stations building enclosure