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HUNAN DAJU INFORMATION TECH CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    133,298
About

HUNAN DAJU INFORMATION TECH CO LTD has a total of 13 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, electrical machinery and energy and macromolecular chemistry and polymers are HANGZHOU BAOCHEN TECH CO LTD, SHANDONG BUNSE ELEVATOR CO LTD and TECHNOLOGIES CO LTD G.

Patent filings in countries

World map showing HUNAN DAJU INFORMATION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 11
#2 WIPO (World Intellectual Property Organization) 2

Patent filings per year

Chart showing HUNAN DAJU INFORMATION TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Libo 13
#2 Tan Feng 7
#3 Tan Hui 5
#4 Zhu Jianwei 4
#5 Mao Kaiping 4
#6 Liu Xiang 4
#7 Liu Tao 2
#8 Yang Zihong 1

Latest patents

Publication Filing date Title
CN112279025A Dynamic hierarchical control method for elevator group
CN112061931A Combined elevator system
CN112141855A Intelligent elevator system and control method
WO2021018235A1 Multi-car cableless elevator system
WO2020177758A1 Running system for elevator, and multi-car elevator running system
CN110817645A Elevator brake system
CN110155826A Driving mechanism and elevator with multiple compartments operating system for elevator operating system
CN110155850A Switching mechanism for the parallel elevator running track of more carriages