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HUNAN ZHONGTONG ELECTRIC CO LTD

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    72,681
  • Filing trend
    ⇩ 100.0%
About

HUNAN ZHONGTONG ELECTRIC CO LTD has a total of 28 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets transport, measurement and mechanical elements are JOHN E MCLAIN, TRANSPOD INC and SAF SPA.

Patent filings in countries

World map showing HUNAN ZHONGTONG ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing HUNAN ZHONGTONG ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wang Yongming 19
#2 Xiao Hongyuan 13
#3 Cheng Weiqun 13
#4 Wan Li 11
#5 Wang Zongwen 11
#6 Tan Zhenxing 8
#7 Li Yongqiang 8
#8 Tan Xiemin 7
#9 Wang Dan 5
#10 Cheng Rixing 4

Latest patents

Publication Filing date Title
CN110091718A A kind of current collection at high speed device
CN109717495A A kind of energy saving and environment friendly cigarette fruit betel nut roasting plant
CN109649178A A kind of current collection at high speed device control method and pantagraph current collector
CN107571741A A kind of double swing-bar insulation pantagraph current collector
CN107515373A A kind of integration management method of linear electric motors hanging test bench detection
CN107225976A A kind of 3rd manual pantagraph current collector in rail bottom
CN106950496A A kind of linear asynchronous tractive motor hanging simulation test device of track traffic
CN106809019A A kind of bottom pantagraph current collector of metab
CN106965681A A kind of pneumatic de- sole portion pantagraph current collector of mechanical self-latching
CN106015352A Improvement method of drive bearing for traction motor
CN105365583A Swing rod self-locking current collector
CN105365582A Self-locking current collector
CN105291853A Automatic reset current collector
CN105383308A Double-oscillating-bar current receiving device
CN105351249A Fan propeller for silicone element heat dissipation of electric locomotive
CN105305706A Wiring improvement method and wiring apparatus for outgoing line of alternating current frequency conversion traction motor for track traffic vehicles
CN105346398A Manual and automatic dual-purpose pantograph for motor vehicle current collection
CN105291850A Limiting induction device for pantograph
CN105291849A Electric direct-driven device for pantograph
CN105291851A Frame type lifting arm for pantograph