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HUNAN INST OF METROLOGY AND TEST

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    57,645
About

HUNAN INST OF METROLOGY AND TEST has a total of 28 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets measurement, electrical machinery and energy and materials and metallurgy are JANDUS WILLIAM, BEIJING DONGFANG MEASUREMENT & TEST INST and YAMADA YOSHIO.

Patent filings in countries

World map showing HUNAN INST OF METROLOGY AND TESTs patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing HUNAN INST OF METROLOGY AND TESTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xiang De 14
#2 Zhu Xianyu 13
#3 Wang Jinwei 13
#4 Xiong Jie 13
#5 Zhang Yaoqi 12
#6 Liu Liangjiang 12
#7 Li Qingxian 12
#8 Wu Shanshan 7
#9 Yang Lu 7
#10 Chen Yong 7

Latest patents

Publication Filing date Title
CN111664991A Automatic calibration device for motor vehicle steering wheel force angle gauge and brake control force gauge
CN111537940A Portable current transformer harmonic error measuring device
CN111541371A Direct current electric energy generation circuit for new energy application
CN111537789A Direct current electric energy metering device and method based on signal separation and accurate integration
CN111578892A Strain gauge calibration device and method based on hydraulic element driving
CN111323741A Indirect access type direct current electric energy meter calibrating device and method
CN111308188A High-precision direct-current electric energy meter metering device and method
CN111308189A Wide-range direct current electric energy meter metering device and method
CN111322986A Optical index head-based inclinometer calibration device and calibration method
CN111307177A Zero calibration device and calibration method for magnetic ring settlement and water level detection ruler
CN111288947A Stay wire type displacement sensor calibration device and calibration method
CN111238607A Durability test device and method for water meter
CN111053561A Height measurer calibrating device and method
CN110987584A Solution dilution method and system
CN110823438A Method for detecting torque value of torque control device
CN110850320A Durability test method for hydrogen fuel cell
CN110780139A Method for measuring working error of electric vehicle charger
CN110763398A Correction method of empty box barometer
CN110852017A Hydrogen fuel cell fault diagnosis method based on particle swarm optimization and supporting vector machine
CN110694428A Working method of hydrogen separation equipment