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SHANDONG HAOHAI DREDGING EQUIPMENT CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    105,894
  • Filing trend
    ⇧ 700.0%
About

SHANDONG HAOHAI DREDGING EQUIPMENT CO LTD has a total of 16 patent applications. It increased the IP activity by 700.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, transport and materials and metallurgy are HOLLANDSCHE AANNEMING BV, DREDGING INT and MARUJUN HEAVY INDUSTRY CO LTD.

Patent filings in countries

World map showing SHANDONG HAOHAI DREDGING EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SHANDONG HAOHAI DREDGING EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhong 16
#2 Wang Yongsheng 16
#3 Song Guangxing 11
#4 Wang Guoqing 7
#5 Zhang Haoliang 4
#6 Wang Zesheng 3
#7 Liu Fazhong 2
#8 Sun Aiquan 2
#9 Gao Wenming 2
#10 Zhao Jiaqiang 1

Latest patents

Publication Filing date Title
CN111924058A Engineering ship with automatic balancing function
CN111926875A Environment-friendly deep water desilting twisting and sucking device
CN111790513A Automatic water absorption type sand washer
CN111733915A Assembled electric environment-friendly deepwater dredging ship
CN111779049A Self-propelled multifunctional construction ship with supporting legs
CN108501635A A kind of air buoyancy tank crawl liquid curing-agent transport vehicle
CN108442440A A kind of soft base construction multi-function vehicle
CN108394240A Amphibious spiral bucket Salt miner
CN108457321A A kind of multi-functional workboat
CN108483830A Sludge solidification stablizes powder spraying stirring device
CN108385751A A kind of pressure churning helix aggregating device
CN108275864A A kind of deeply dehydrating sludge solidification vehicle
CN108373160A Split type spiral bucket Salt miner
CN107284611A Tin ore collection screening packaging multifunctional ship
CN106542278A A kind of integral type dehydrating and curing waggon
CN106542714A A kind of sludge solidification pumps integrated vehicle