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CCCC FOURTH HARBOR ENG CO LTD

Overview
  • Total Patents
    112
  • GoodIP Patent Rank
    15,124
  • Filing trend
    ⇩ 84.0%
About

CCCC FOURTH HARBOR ENG CO LTD has a total of 112 patent applications. It decreased the IP activity by 84.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machines and mechanical elements are EJ USA INC, 2ND ENG CO CCCC 4TH HARBOR ENG CO LTD and GUANGSHUI HUIYANG TECH CO LTD.

Patent filings in countries

World map showing CCCC FOURTH HARBOR ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 112

Patent filings per year

Chart showing CCCC FOURTH HARBOR ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Weibin 29
#2 Zhang Wensen 22
#3 Liang Jiezhong 18
#4 Huang Wenhui 16
#5 Zhu Cheng 15
#6 Yang Jianchong 14
#7 Chen Meng 13
#8 Zhang Tao 13
#9 Liu Ronggang 12
#10 Wang Xiaodong 12

Latest patents

Publication Filing date Title
CN112252367A Negative buoyancy immersed tube and prefabricating method thereof
CN112252366A Design method of negative buoyancy immersed tube
CN112267703A Reconstruction and extension construction method and structure for mixed structure old wharf
CN112197066A Large-diameter overlong HDPE (high-density polyethylene) pipeline discharging and transporting construction method
CN112212074A Large-diameter overlong HDPE pipeline closure method
CN112228632A Land water delivery and entry method for large-diameter ultra-long HDPE (high-density polyethylene) pipeline
CN112112199A Device for protecting bridge circuit for steel plate surface strain test and mounting method
CN112084565A Method, device, equipment and medium for determining preferred compaction process of rockfill subgrade
CN111945657A Wharf upgrading and reconstruction structure and wharf upgrading and reconstruction construction method
CN112081011A Shipping and transporting method for large prestressed concrete precast box girder
CN112081012A Jacking and transporting method for large prestressed concrete precast box girder
CN112030934A Anti-liquefaction treatment method for liquefiable foundation
CN111941637A Sectional prefabricating method for immersed tube joint
CN111997093A Short pipe section immersed tunnel construction method
CN111937689A Method for ecologically solidifying dredged soil by planting specific plants
CN111980067A Construction method for long-distance conveying of immersed tube by adopting refuting process
CN111827032A Processing method for determining structural thickness of pavement paved on hardened layer of beam field
CN111983622A Visual measurement system and method for armor block
CN111877741A Template for placing embedded steel bars and construction method thereof
CN111648406A Construction method for dismantling immersed tube ballast system and replacing concrete