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HENAN DAFANG HEAVY MACHINERY CO LTD

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    34,706
  • Filing trend
    ⇩ 92.0%
About

HENAN DAFANG HEAVY MACHINERY CO LTD has a total of 47 patent applications. It decreased the IP activity by 92.0%. Its first patent ever was published in 2011. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, machine tools and mechanical elements are VULKAN KOCKS GMBH, MANITOWOC CRANE GROUP FRANCE and WUXI YUNDA MACHINERY CO LTD.

Patent filings in countries

World map showing HENAN DAFANG HEAVY MACHINERY CO LTDs patent filings in countries

Patent filings per year

Chart showing HENAN DAFANG HEAVY MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Changyu 17
#2 Liu Hui 15
#3 Hu Xu 13
#4 Li Xinyu 9
#5 Feng Yanning 9
#6 Zhang Honglian 7
#7 Wang Li 6
#8 Wang Zhenyong 6
#9 Zhang Hedong 6
#10 Zhao Yongyao 6

Latest patents

Publication Filing date Title
CN109399466A A kind of pressure casting system and its compression casting transfer crane
WO2019076128A1 European-type double-girder bridge crane trolley
CN107902550A A kind of slag case and the crane using the slag case
CN107763420A Electric block lubricator of steel wire ropes
CN107559570A Crane rope protector
CN107555307A Pulley-type spherical component special hanger
CN107522092A A kind of Special lifting device of bulb
CN107522119A A kind of cable wire for crane lubricating arrangement
CN107522091A Suspender for spherical component
CN107695589A A kind of crane walking table welding supporting tool
CN107812848A A kind of book joint setting machine loading and unloading system
CN107738991A A kind of circular orbit crane
CN107720526A A kind of steel wire rope overload Automatic-falling suspender
CN107986164A A kind of steel wire rope overload protection arrangement
CN107522088A A kind of frictional overload Automatic-falling suspender
CN107522098A A kind of trolley track cleaning device
CN107758502A A kind of trolley runs guide rail cleaning plant
CN107522108A A kind of straddle truck anti-skid structure of convenient use
CN107720545A A kind of safe anti-slipping device for straddle truck
CN107720544A A kind of electric block lifts by crane buffer unit