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BEIJING SWORD ELECTRIC IND CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    75,028
  • Filing trend
    ⇩ 100.0%
About

BEIJING SWORD ELECTRIC IND CO LTD has a total of 25 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, packaging and shipping and measurement are SHENZHEN HPMONT TECHNOLOGY CO LTD, SUZHOU INOVANCE TECHNOLOGY CO and ABEL PIFRE.

Patent filings in countries

World map showing BEIJING SWORD ELECTRIC IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing BEIJING SWORD ELECTRIC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Jiantao 7
#2 Liu Hongxin 7
#3 Xiang Shoubing 7
#4 Xia Qinghe 7
#5 Zhang Rui 6
#6 Ding Xibing 4
#7 Ma Wenwu 3
#8 Cao Jun 2
#9 Du Zhanbo 2
#10 Tan Yingchao 2

Latest patents

Publication Filing date Title
CN111689318A Elevator smooth leveling control method
CN111740954A Elevator main controller and elevator board card communication encryption method
CN110875691A PWM modulation method for elevator frequency converter
CN110556793A Real-time IGBT overload protection method
CN110445437A The motor driver voltage decoupling method of electric car
CN110518551A The over-current protection method of motor in electric automobile driver
CN110884972A Door lock detection method based on elevator safety loop
CN110316621A Outgoing call address setting method based on elevator safety loop
CN110224421A Distributed energy storage elevator control system and topological structure
CN109823933A The four-quadrant elevator converter plant and topological structure of integrated emergency power supply
CN108016318A A kind of method of electric automobile bus capacitor active discharge
CN107786150A A kind of electric automobile driving power control system and its control method
CN107290618A A kind of sine and cosine encoder broken wire detection system and method
CN107069668A A kind of frequency converter failure protection device and frequency converter
CN106829678A Multifunctional elevator car accidental movement protection system and method
CN105460724A Elevator steel wire rope slipping testing system
CN105253753A Run-away prevention device and method for elevator synchronous traction machine
CN104860146A Elevator fault positioning and prompting device
CN104609270A Intelligent elevator control system and method
CN104378034A Operation control system of brushless alternating-current hybrid excitation brushless direct-current motor