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NO 4 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    91,960
About

NO 4 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTD has a total of 24 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machines and materials and metallurgy are BETONUTEPITOE VALLALAT, PFLEIDERER VERKEHRSTECHNIK and STRESSWALL INT.

Patent filings in countries

World map showing NO 4 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing NO 4 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shan Qin 4
#2 Yang Jianfeng 3
#3 Song Zhaoshang 3
#4 Yang Zhenping 2
#5 Wang Jinchao 2
#6 Zhao Guangmin 2
#7 Li Huiliang 2
#8 Li Wei 2
#9 Yan Minqiang 2
#10 Wang Jun 2

Latest patents

Publication Filing date Title
CN105274931A Process for rolling and compacting concrete pavement base in non-suspend air construction of airport restricted area
CN105350556A New material underground structure leakage stoppage construction technology
CN104712085A Large-area wear-resistant concrete ground construction method
CN104786369A Non-industrialized sleeper-prefabricating construction method
CN104847404A Construction technology of gob grouting method
CN104712066A Floor heat preservation construction process achieved through ultrafine inorganic fiber spraying
CN104711932A Construction method for reinforced concrete arch bridge in soft soil foundation
CN104775340A Intra-tunnel elastic support block type ballastless track dual-line construction process
CN104762928A Construction method of pull-rod-free pier body template of dolphin pier
CN104762850A Optimization method of track bed slab concrete of CRTS I type double-block ballastless track
CN104695715A Construction method of beam string structure of roof
CN104746873A Novel GRC cement board molding bed construction method
CN104727299A Vacuum preloading film pressing groove extension construction method
CN104806014A Novel detachable waterstop pull rod construction process
CN104695631A Construction method for spraying polyurea waterproof coating on roof
CN104695314A Construction method for cutting concrete by using diamond wire saw
CN104742252A Construction technology for guiding concreting through insertion bars
CN104806015A Single-side wall formwork support construction method
CN102493396A Construction method of backfill in layers for sea reclamation
CN102501795A Supporting and protecting device and method special for 200-ton T beam transportation