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ZHEJIANG HRV ELECTRIC CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    93,721
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG HRV ELECTRIC CO LTD has a total of 18 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and audio-visual technology are SHENZHEN AEROSPACE XINYUAN TECHNOLOGY CO LTD, ASAHI DENGYO and HEFEI KEWELL POWER SYSTEM CO LTD.

Patent filings in countries

World map showing ZHEJIANG HRV ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing ZHEJIANG HRV ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Gang 7
#2 Jiang Kan 4
#3 Zhang Jinghong 4
#4 Chen Yi 4
#5 Jiang Rizhen 3
#6 Shi Shunfeng 3
#7 Cheng Pan 3
#8 Wang Bo 2
#9 Ren Xiaofeng 2
#10 Chen Jianming 2

Latest patents

Publication Filing date Title
CN110995015A Soaking control method, device, system, equipment and medium for wind power converter
CN110994969A Wind power converter and low-temperature starting method thereof
CN110995014A Wind power converter control method, device, equipment and readable storage medium
CN110896274A Boost circuit and start control method
CN111049383A Boost circuit of direct-hanging high-voltage power supply and soft start method
CN110739850A PNP BJT combined capacitor charge-discharge type wide working voltage range controller
CN110677044A NPN BJT combined capacitor charging and discharging type controller with wide working voltage range
CN110635670A IGBT drive circuit of wind power converter
CN110504854A A kind of dead-zone compensation method suitable for the modulation of double modulation wave carrier signal
CN110504856A A kind of neutral-point potential balance algorithm based on optimal phase modulation Wave Decomposition
CN110120681A A kind of high-power converter circuit topology for offshore wind farm
CN108020731A Positive-negative sequence extracting method
CN107528516A A kind of discrimination method of electric excitation synchronous motor parameter
CN105375499A Suppression method for stator current unbalance of doubly-fed wind generator
CN105323006A Encoder communication system for wind driven generator and wind power converter
CN106329718A Monitoring system of wind power generation converter and method
CN104038058A Input adaptive auto-excitation type Buck-boost converter
CN104038061A Input adaptive auto-excitation type Buck converter