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QINGDAO HAIXI HEAVY DUTY MACHINERY CO LTD

Overview
  • Total Patents
    66
  • GoodIP Patent Rank
    23,623
  • Filing trend
    ⇧ 20.0%
About

QINGDAO HAIXI HEAVY DUTY MACHINERY CO LTD has a total of 66 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, machine tools and measurement are WETZEL KG, EUROCRANE CO LTD and KRUPP ARDELT GMBH.

Patent filings in countries

World map showing QINGDAO HAIXI HEAVY DUTY MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 66

Patent filings per year

Chart showing QINGDAO HAIXI HEAVY DUTY MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xiao Litao 13
#2 Han Zhongcheng 11
#3 Zhang Jinying 9
#4 Wang Yulang 9
#5 Zhao Zenglin 8
#6 Shu Yunfeng 8
#7 Lin Mei 7
#8 Liu Wei 7
#9 Xie Wanpeng 7
#10 Quan Hongtao 6

Latest patents

Publication Filing date Title
CN111891913A Trolley for rail hoisting and unloading ship and rail hoisting and unloading method
CN111675095A Rope outlet cover device for rope outlet of harbor machinery roof
CN111689404A Auxiliary device for maintaining luffing mechanism and portal crane
CN111578821A Tooth profile detection die, measurement method, evaluation standard and grinding method
CN111439676A Stable motion system of lifting steel wire rope for field bridge
CN111439677A Container crane plays to rise wire rope and prevents shaking system
CN111362142A Port track is with on-vehicle detection device
CN111252668A Communication and safety protection device for tire crane
CN111056516A High-voltage cable trough steel cover plate turnover mechanism and method
CN110980537A Single-beam overhanging arm foldable self-discharging crane and loading and unloading method
CN110862020A Double-lifting double-lower trolley shore bridge system and working method thereof
CN110713030A Two-way moving hopper
CN110615361A Remote operation system of tyre type gantry crane and crane
CN110654986A Container hoisting method
CN110589696A Steel wire rope luffing jib loading boom anti-falling device and crane
CN110155878A A kind of adjustable wheel assembly applied to gantry crane trolley
CN110040630A A kind of removable rope stretching cover of floating crane
CN110104547A A kind of gantry container crane is with increasing tooling and increase method
CN110002340A A kind of control method and system of the rotation of rubber tired crane suspender
CN109795955A Balance, detection and the breaking rope protecting system of gantry crane luffing mechanism