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DALIAN HUARUI CO LTD

Overview
  • Total Patents
    115
About

DALIAN HUARUI CO LTD has a total of 115 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets packaging and shipping, basic materials chemistry and environmental technology are BLEICHERT MAX ADOLF, RUDOLF WILHELM and DEMPSTER ROBERT & SONS LTD.

Patent filings in countries

World map showing DALIAN HUARUI CO LTDs patent filings in countries

Patent filings per year

Chart showing DALIAN HUARUI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jinfu Wang 9
#2 Junkui Shi 6
#3 Daqing Sun 5
#4 Weiyue Li 4
#5 Gu Min 4
#6 Zou Sheng 4
#7 Hongwei Xu 4
#8 Wang Jinfu 4
#9 Song Jiajing 3
#10 Haijiang Xiao 3

Latest patents

Publication Filing date Title
CN102367817A Inlet pressure compensator in hydraulic control loop
CN102384187A Disk electromagnetic brake
CN102374785A Furnace cover device used for semi-closed submerged arc furnace
CN102331318A Test system for torque of gear box
CN102391882A Tamping U-shaped pipe smoke guide vehicle and working method thereof
CN102391883A Tamping coal charging dust removal system and working method thereof
CN102344043A Automatic offset material centering device of material taking machine for loading and unloading bulk material
CN102320531A High-positioning-accuracy lifting mechanism for crane
CN102358569A Traction mechanism for crane trolley with adjustable tension device
CN102288913B Testing system for double-fed motor and testing method thereof
CN102305088A Duct piece transporter for small-diameter shield machine and operating method of duct piece transporter
CN102278424B Cutting speed reducer of tunnel boring machine
CN102277181B Dedusting device for coke pusher side
CN102190252A Crawler type gantry crane
CN102135216A Liquid rotating joint for single point mooring system
CN102092645A Method for arranging wind power generation equipment in shallow water of intertidal zone
CN102040171A Double planetary transmission hoisting mechanism for ladle crane
WO2011120319A1 Large multi-track traverser
CN102050400A Passive overspeed protective device used for lifting drum of crane
CN102199432A U-shaped pipe smoke guiding vehicle-based cover uncovering device