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CHANGSHA HAICHUAN AUTOMATION EQUIPMENT CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    56,525
  • Filing trend
    ⇩ 100.0%
About

CHANGSHA HAICHUAN AUTOMATION EQUIPMENT CO LTD has a total of 29 patent applications. It decreased the IP activity by 100.0%. 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, computer technology and measurement are BRITISH HOIST & CRANE COMPANY, OLKO MASCHINENTECHNIK GMBH and BRITISH HOIST AND CRANE COMPAN.

Patent filings in countries

World map showing CHANGSHA HAICHUAN AUTOMATION EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing CHANGSHA HAICHUAN AUTOMATION EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ni Jianjun 29
#2 Gan Jianguo 1
#3 Chen Bo 1
#4 Hu Jianyu 1

Latest patents

Publication Filing date Title
CN111799623A Current collector for sliding contact line, construction elevator and power supply system
CN111847168A Height limit control method, device and equipment for construction elevator and storage medium
CN111503241A Pulley for traction system, safety detection equipment and traction system
CN111271391A Transmission system, lifting speed change system and lifting equipment
CN111039208A Frequency conversion hoisting mechanism and tower crane
CN110255410A Raising gear and jack up unit
CN110054099A Tower crane anticollision display control method, control device, control system and storage medium
CN109775583A Tower crane rotary drive mechanism, rotation control device and tower crane
CN109607386A Angle of revolution detection device, apparatus for rotating and derrick crane
CN109552999A The control system and method, tower crane, storage medium of tower crane lifting hook work amplitude
CN107720554A Face upward jib crane and its monitoring method, monitoring device and storage medium
CN107651572A Tower crane and its operation torque load on-line monitoring method, device and storage medium
CN107720553A Tower crane and its assembling control method, control device and storage medium
CN107720571A Tower crane and its structure fix operating mode on-line monitoring method, device and storage medium
CN107941191A Tower crane and its verticality on-line monitoring method, device and storage medium
CN107215792A Group's tower anticollision control method, control device and control system
CN107235419A Safety monitoring system for tower crane and the derrick crane with it
CN107091640A Master controller movement posture detection means and electric-control system
CN107117511A Gear detector, building hoist and detection method
CN106966243A Building hoist calling elevator system