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EXAMING & EXPERIMENTAL CT ULTRAHIGH VOLTAGE POWER TRANS CO CHINA SOUTHEN POWER GRID CO LTD

Overview
  • Total Patents
    397
  • GoodIP Patent Rank
    3,764
  • Filing trend
    ⇧ 5.0%
About

EXAMING & EXPERIMENTAL CT ULTRAHIGH VOLTAGE POWER TRANS CO CHINA SOUTHEN POWER GRID CO LTD has a total of 397 patent applications. It increased the IP activity by 5.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and environmental technology are YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST, INST ELECTRIC POWER SCIENCES YUNNAN POWER GRID CO LTD and ELECTRIC POWER RES INST STATE GRID FUJIAN ELECTRIC POWER CO LTD.

Patent filings in countries

World map showing EXAMING & EXPERIMENTAL CT ULTRAHIGH VOLTAGE POWER TRANS CO CHINA SOUTHEN POWER GRID CO LTDs patent filings in countries
# Country Total Patents
#1 China 397

Patent filings per year

Chart showing EXAMING & EXPERIMENTAL CT ULTRAHIGH VOLTAGE POWER TRANS CO CHINA SOUTHEN POWER GRID CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Jianbao 51
#2 Wang Qi 50
#3 Chu Jinwei 42
#4 Li Weiguo 42
#5 Zhang Changhong 42
#6 Deng Jun 40
#7 Li Qing 38
#8 Yang Xu 38
#9 Zhang Jiangang 31
#10 Wei Xiaoxing 31

Latest patents

Publication Filing date Title
CN112269016A Oil-filled cable internal insulation oil dissolved gas diffusion simulation experiment device
CN112288140A Keras-based short-term power load prediction method, storage medium and equipment
CN112221547A Laboratory insulating oil dehydration and degassing storage device and dehydration and degassing storage method
CN112270154A Insulation design method for multilayer starting resistor
CN112268975A Device and method for expanding multichannel automatic sample introduction of insulating oil-gas chromatograph
CN112103957A Small signal stability analysis method and device of MMC (Modular multilevel converter)
CN112269107A Flexible straight sleeve anti-seismic test method and circuit considering change of insulation structure
CN112100860A MMC (Modular multilevel converter) model establishing method and electromagnetic transient simulation method for multi-terminal direct-current power transmission system
CN112268820A High-voltage bushing top sealing performance evaluation method
CN111929478A Full-angle infrared detection test mechanical device for composite insulator
CN112047246A Ultra-high voltage transmission line composite insulator sampling test transfer device
CN112098601A Composite insulator takes sheath plug water diffusion test boiling device
CN112161826A Sampling tool and method for dirt on surface of insulator
CN112103984A Control method for inhibiting continuous commutation failure of hybrid double-feed-in direct-current power transmission system
CN112103983A Control method based on mixed MMC-HVDC
CN112103998A LCC-MMC hybrid direct current power transmission system steady state operation characteristic calculation analysis method and device
CN112179852A Method and device for predicting residual life of composite insulator
CN112114384A Power transmission line icing occurrence probability forecasting method
CN112103982A MMC small-signal impedance modeling method based on Fourier decomposition
CN111922239A Disc type suspension insulator R round pin opening instrument