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DEC DONGFANG ELECTRIC MACH CO

Overview
  • Total Patents
    162
  • GoodIP Patent Rank
    10,844
  • Filing trend
    ⇩ 5.0%
About

DEC DONGFANG ELECTRIC MACH CO has a total of 162 patent applications. It decreased the IP activity by 5.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and engines, pumps and turbines are DONGFANG ELECTRIC MACHINERY CO LTD, CHEN HE and FRANGIE NABIL H.

Patent filings in countries

World map showing DEC DONGFANG ELECTRIC MACH COs patent filings in countries
# Country Total Patents
#1 China 162

Patent filings per year

Chart showing DEC DONGFANG ELECTRIC MACH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liao Yigang 15
#2 Wen Shujie 13
#3 Zheng Xiaokang 12
#4 Zhao Yongzhi 11
#5 Hu Dejian 11
#6 Lin Kun 11
#7 Zeng Mingfu 10
#8 Zhang Xiaojun 10
#9 Zou Yingdong 10
#10 Qian Changyan 10

Latest patents

Publication Filing date Title
CN111965498A Automatic inspection and fault positioning device for insulation state of hydraulic generator screw
CN111884430A Device capable of remotely controlling and measuring rotor electrical parameters
CN111980850A Paddle operating mechanism for rotary-paddle type water turbine
CN111975591A Workpiece inner hole polishing device
CN111981956A Device and method for factory testing of parallelism of bearing of steam turbine generator
CN112039296A Quick clamping and hoisting tool for stator core of steam turbine generator
CN111934500A Replacement method of generator stator temperature measuring element
CN111922694A Assembling method of split temperature measuring filler strip
CN111677689A Design method of vibration and noise reduction mixed flow pump or axial flow pump
CN111641277A Stator pressing ring of steam turbine generator
CN111786513A Turbine generator pivot earthing device
CN111426252A Large horizontal coupling shaft pendulum finding method
CN111408911A Method for processing large integral magnetic yoke ring
CN111421308A Method for processing bottle-shaped shaft of large pumped storage generator motor
CN111408825A Thick-section narrow-gap T-shaped welding method
CN111505459A Insulation aging evaluation method for generator stator winding
CN111408910A Large-scale integral yoke ring machining method based on rotary worktable
CN111693762A Exciter rotating rectifier branch circuit breaking detection device
CN111425327A Built-in coaxial nozzle of motor of impulse type model water turbine
CN111293816A Centering bearing for motor of downhole drilling tool