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DONGFANG ELECTRIC MACHINERY CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    121,812
  • Filing trend
    ⇩ 100.0%
About

DONGFANG ELECTRIC MACHINERY CO LTD has a total of 17 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 WIPO (World Intellectual Property Organization), China and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, environmental technology and engines, pumps and turbines are CHEN HE, CHONGQING ELECTRIC MACHINE FEDERATION LTD and ZEYHER CRAIG H.

Patent filings in countries

World map showing DONGFANG ELECTRIC MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 12
#2 China 3
#3 United Kingdom 2

Patent filings per year

Chart showing DONGFANG ELECTRIC MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liao Yigang 4
#2 Zheng Xiaokang 3
#3 Zhu Linzhong 3
#4 Wang Chao 3
#5 Zhou Guanghou 3
#6 Gong Li 3
#7 Guan Yongsheng 3
#8 Shi Qinghua 3
#9 Hu Dejian 3
#10 Chen Wenxue 3

Latest patents

Publication Filing date Title
WO2021037193A1 Method and device for improving uniformity of axial temperature distribution of stator
WO2021037194A1 Method and apparatus for reducing circumferential temperature difference between coil and iron core of motor
GB201908411D0 Full-path sealing structure of steam turbine generator and assembly method
CN102493689A Easily detachable water turbine maintenance platform
CN101795108A Excitation control system for giant machine set
CN101795084A Thyristor rectifier bridge parallel operation full digital current homogenizing control device