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WEI HAIFENG

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    134,610
  • Filing trend
    ⇧ 100.0%
About

WEI HAIFENG has a total of 13 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, chemical engineering and control are AMPSON TECHNOLOGY INC, HELLER DEJULIO CORP and BOEV VLADIMIR S.

Patent filings in countries

World map showing WEI HAIFENGs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing WEI HAIFENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wei Haifeng 13
#2 Bi Yifeng 1
#3 Zhao Yuechao 1
#4 Xu Yuduo 1
#5 Zhang Yue 1
#6 Liu Yujie 1
#7 Xiao Jianru 1
#8 He Shaohui 1

Latest patents

Publication Filing date Title
CN109875666A A kind of backbone chest profile forming system
CN109173901A A kind of electromechanical equipment abends alarm control system and control method
CN108988703A A kind of novel brshless DC motor opens phase PWM control method
CN108900118A A kind of brshless DC motor commutation current control method
CN108900123A The single resistor current reconstructing method and device of permanent magnet synchronous motor
CN108599639A A kind of brshless DC motor demagnetization control device and method
CN108540024A A kind of device and method inhibiting the impact of brshless DC motor commutation terminal voltage
CN108649841A A method of inhibiting brshless DC motor commutation demagnetization event
CN108450133A A kind of automated machine separator
CN107769632A A kind of brushless dc tachometer
CN107834916A A kind of inexpensive velocity indicating device of brshless DC motor
CN107833738A A kind of adjustable transformer of self-rotary
CN107946023A A kind of multiphase high-tension transformer that splicing stroke is controlled using ball bar