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SHANGHAI CHANGKAI GEOTECHNICAL ENG CO LTD

Overview
  • Total Patents
    56
  • GoodIP Patent Rank
    26,383
  • Filing trend
    ⇩ 20.0%
About

SHANGHAI CHANGKAI GEOTECHNICAL ENG CO LTD has a total of 56 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2015. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, measurement and engines, pumps and turbines are INTRAFOR COFOR, STADE HEINRICH and FUNDEX PVBA.

Patent filings in countries

World map showing SHANGHAI CHANGKAI GEOTECHNICAL ENG CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANGHAI CHANGKAI GEOTECHNICAL ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Hui 30
#2 Wang Kewen 29
#3 Guo Xingyu 20
#4 Gu Guorong 19
#5 Yang Yanzong 18
#6 Gu Hong 11
#7 Mao Xiyun 11
#8 Wang Kaimin 10
#9 Qu Chengsong 9
#10 Zhang Qinyu 7

Latest patents

Publication Filing date Title
CN112267499A Rotary jet grouting pile forming diameter detection device
CN111719573A Foundation ditch emergency precipitation gas monitoring integral installation structure in huge thick rich water aquifer
CN111472363A Construction method of foundation pit enclosure structure located in underground space of existing building
CN111456680A Self-sealing type grouting and well sealing device
CN111424738A Indoor soil digging combined flushing and vibrating forced landing deviation correcting method
CN111411650A Building jacking deviation rectifying method
CN111424669A Pile end grouting process and device of quick and recyclable grouting device
CN111058795A Recyclable bag type rapid well completion device and using method
CN110939151A Water-vapor mixing system of super pressure-suction combined pumping system and working method thereof
CN110952580A Detachable closed dewatering well
CN110952532A Sliding type blade bottom expanding tubular pile
CN110987115A Intermittent automatic depth-measuring water level system
CN110805030A Anchor rod static pressure pile
CN110725303A Construction method of oblique stressed body of rigid insert combined with guniting stirring reinforcing body
CN110725306A Construction method for forming oblique stress body by using rigid insert
CN110725305A Construction method for improving bearing capacity of oblique steel pipe pile
CN110725304A Construction method for forming oblique stressed body by combining rigid insert and rotary spraying type reinforcement body
CN110468911A A kind of gaslift returns and raises pattern synthesis recharge system
CN110295609A Cantilever self-support excavation type foundation pit enclosure stake and fender post method for embedding
CN110374086A It is a kind of for improving the spreading construction method of existing pier, pile bearing capacity