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2ND ENG CO CCCC 4TH HARBOR ENG CO LTD

Overview
  • Total Patents
    41
  • GoodIP Patent Rank
    38,330
  • Filing trend
    ⇩ 50.0%
About

2ND ENG CO CCCC 4TH HARBOR ENG CO LTD has a total of 41 patent applications. It decreased the IP activity by 50.0%. 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, packaging and shipping and machines are EJ USA INC, CCCC FOURTH HARBOR ENG CO LTD and J F KARSTEN BEHEER B V.

Patent filings in countries

World map showing 2ND ENG CO CCCC 4TH HARBOR ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 41

Patent filings per year

Chart showing 2ND ENG CO CCCC 4TH HARBOR ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Wensen 9
#2 Chen Cong 8
#3 Huang Wenhui 8
#4 Zhang Wei 7
#5 Dai Shuangquan 7
#6 Chen Weibin 6
#7 Lin Ming 6
#8 Dong Zheng 5
#9 Wu Fengliang 5
#10 Wang Xiaodong 4

Latest patents

Publication Filing date Title
CN111531689A Die assembling and disassembling trolley for box girder outer side die plate and die assembling and disassembling method thereof
CN110406917A Heavy mail goes out fortune system and combined tire trolley goes out the method for transporting heavy mail
CN109986684A The plate device and its system of the streamlined production of king's block are turned round for concrete
CN109724675A A kind of bedding rises slurry operation level gauging instrument and its application method
CN109386002A A kind of long piled wharf underwater concreting steel jacket box
CN109440810A A kind of the underwater grouting reinforcement cage structure and its construction method of cylinder section increasing
CN108547285A A kind of deep-cement stirring whole ship antifouling system peculiar to vessel
CN108536089A Underwater Deep Silt cement mixing working ship with automation pile integrated control system
CN108316232A The surface layer structure and its construction method of gravity type quay breastwork
CN107975036A Three four axis working ships of Underwater Deep Silt basement process
CN108005133A Water conservancy project sheet pile method for correcting error
CN108033283A A kind of great diameter and long HDPE pipelines it is land go out transportation method
CN108050301A A kind of great diameter and long HDPE pipelines immersing method
CN107620324A Steel cap installation method
CN107700541A M shape waterstop protection devices and installation method
CN107700539A M shapes waterstop and installation method
CN107166092A A kind of pipeline underwater mating method
CN107191016A A kind of torsion-bending ratio production and construction Ground arrangement
CN107118836A Concrete parting agent and preparation method
CN106522234A Underwater grouting template structure with increased cylinder section and construction method thereof