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BEIJING SIFANG JIBAO AUTOM

Overview
  • Total Patents
    21
About

BEIJING SIFANG JIBAO AUTOM has a total of 21 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are XI AN ZHONGZHI ZEHUI PHOTOELECTRIC TECHNOLOGY CO LTD, SUZHOU IND PRAK NEW HONGBO COMM TECHNOLOGY CO LTD and TOYO ELECTRIC CORP.

Patent filings in countries

World map showing BEIJING SIFANG JIBAO AUTOMs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing BEIJING SIFANG JIBAO AUTOMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhenyu Xu 6
#2 Yan Meng 3
#3 Yi Su 3
#4 Zhaoqiang Du 3
#5 Liming Tu 3
#6 Shaofeng Huang 3
#7 Jianfei Liu 2
#8 Xiaochen Wu 2
#9 Xiaoyu Zhang 2
#10 Dongxia Zou 2

Latest patents

Publication Filing date Title
CN101969281A Coordination control and optimization method for battery energy accumulation and photovoltaic power generation based on co-direct current bus
CN101714756A Equivalent negative sequence impedance-based distributed generator islanding protection method
CN101588283A Method for realizing wide-area distributed integrated flexible bus based on multi-agent technique
CN101587487A Method for realizing graphic dynamic distribution index of electric network
CN101350521A Fault distance-finding method for nonuniform zero sequence mutual inductance same-lever aerial multi-back line
CN101241368A Electrical power system wide-area control system data processing method
CN101170252A The digital transformer differential protection to prevent TA secondary circuit failure from leading to mistaken operation method of discrimination
CN101173975A Method for implementing distance measurement between two ends of electric transmission line using interphase electrical quantities
CN101034802A Serial compensation capacitance directional impedance protection method based on voltage compensation
CN1964149A Differential protection method for negative sequence current of large power transformer
CN1953291A A method to realize high precision universal inverse time-limit protection
CN1725591A Adaptive regulation method of bus protection ratio brake coefficient based on bus connection current
CN1700028A Zero sequence direction measurement element with negative sequence negative direction blocking
CN1700027A Zero sequence direction measurement method with zero sequence voltage compensation
CN1658578A Non-break switchover method of double-network communication system
CN1648959A Warning information comprehensive positioning subsystem
CN1655085A Formula based programmable voltage wattless automatic control device
CN1633000A Fault tolerant re-judging negative sequence direction locking type longitudinal zero voltage inter-turn protection for generator
CN1632998A Stator grounding protection with combined third harmonic dynamic alignment criterion and voltage ratio criterion
CN1632997A Anti-TA transient imbalance differential protection for generator