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PINGGAO GROUP CO LTD

Overview
  • Total Patents
    777
  • GoodIP Patent Rank
    2,162
  • Filing trend
    ⇩ 25.0%
About

PINGGAO GROUP CO LTD has a total of 777 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2007. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, measurement and environmental technology are GEC ALSTHOM T & D SA, SURSUM ELEK ZITAETS GES LEYHAU and GARDY PARTICIP APP.

Patent filings in countries

World map showing PINGGAO GROUP CO LTDs patent filings in countries

Patent filings per year

Chart showing PINGGAO GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yu 85
#2 Wang Haiyan 80
#3 Lin Shengjun 78
#4 Guo Yujing 70
#5 Yuan Duanlei 67
#6 Jin Guangyao 65
#7 Zhong Jianying 61
#8 Cheng Tiehan 57
#9 Yao Yongqi 57
#10 Han Guohui 53

Latest patents

Publication Filing date Title
CN112271606A Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge
CN112259409A Vacuum arc extinguish chamber, vacuum circuit breaker and switching-on and switching-off control method of vacuum circuit breaker
CN112170608A Part deep drawing forming method and forming die
CN112185751A Circuit breaker and gas insulated switchgear using the same
CN112126898A Contact for vacuum circuit breaker, preparation method of contact, vacuum circuit breaker and alloy coating material for vacuum circuit breaker contact
CN112202093A GIS (gas insulated switchgear) uninterrupted power expansion device and transformer substation
CN112103127A Vacuum arc extinguish chamber
CN112103128A Vacuum arc-extinguishing chamber cylinder, vacuum arc-extinguishing chamber shielding case and vacuum arc-extinguishing chamber
CN111950448A High-voltage isolating switch fault state detection method and device based on machine vision
CN112103129A Double-chamber arc extinguish chamber
CN112151287A High-voltage circuit breaker
CN112109257A Insulator casting forming die
CN112151227A Closing resistor assembly structure and circuit breaker using same
CN112117074A Closing resistor and closing resistor assembling structure using same
CN112112965A Sealing device
CN111986951A Bellows subassembly, vacuum interrupter and vacuum circuit breaker
CN111986950A Bellows subassembly, vacuum interrupter and vacuum circuit breaker for vacuum interrupter
CN112098498A Method and device for detecting surface defects of insulating material
CN112038156A Double-fracture isolating switch and high-voltage line connecting structure
CN111957674A Particle catcher and GIS/cylinder structure for GIL