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CHANGZHOU YUFA MINING EQUIPMENT CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    127,089
  • Filing trend
    ⇩ 80.0%
About

CHANGZHOU YUFA MINING EQUIPMENT CO LTD has a total of 15 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, transport and civil engineering are POMAGALSKI JEAN SA, JIANGSU XIONGYU HEAVY INDUSTRY TECHNOLOGY CO LTD and TREWHELLA WILLIAM.

Patent filings in countries

World map showing CHANGZHOU YUFA MINING EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing CHANGZHOU YUFA MINING EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Jinchun 15
#2 Lu Ning 15
#3 Wei Xidong 12

Latest patents

Publication Filing date Title
CN110921506A Rotary lifting beam of coal mine transportation system
CN110304078A It uncouples transportation system duplex type traction overhead trolley branch heading
CN108455201A The mobile tail wheel mechanism of duplex type Coal mine transportation system
CN107697827A The major-minor rope balance tensioning composite entity formula device of duplex type trailer system
CN107298397A Coal mine transportation system double-drum winch
CN107235428A Double main rope balancers of Coal mine transportation system
CN107285224A Monoblock type duplex type press rope wheel group
CN107324232A Multi-functional pressure pulley set
CN106184238A Duplex type tail wheel mechanism device
CN106335514A Double-rope traction monorail crane system
CN106184240A The duplex type tractor of Coal mine transportation system
CN105967080A Transportation winch for coal mine transportation system
CN105235705A Track clamping device
CN102756742A Automatic brake mechanism for over speed of coal mine transportation system
CN102756734A Coal mine transportation system