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DONGGUAN SANYOU ELECTRICAL APPLIANCES CO LTD

Overview
  • Total Patents
    46
  • GoodIP Patent Rank
    50,831
  • Filing trend
    ⇩ 100.0%
About

DONGGUAN SANYOU ELECTRICAL APPLIANCES CO LTD has a total of 46 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy, chemical engineering and machine tools are DONGGUAN BETTER ELECTRONICS TECH CO LTD, VACUUM INTERRUPTERS LTD and SHANGHAI ELECTRIC CERAM WORKS.

Patent filings in countries

World map showing DONGGUAN SANYOU ELECTRICAL APPLIANCES CO LTDs patent filings in countries

Patent filings per year

Chart showing DONGGUAN SANYOU ELECTRICAL APPLIANCES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Song Chaoyang 33
#2 Song Chao-Yang 4
#3 Chaoyang Song 4
#4 Huang Zhihong 3
#5 Tang Junping 2

Latest patents

Publication Filing date Title
CN107026056A A kind of D.C. contactor with auxiliary contact
CN106952785A A kind of rectifier relay with microswitch
CN106935443A A kind of relay with rectification function
CN106513898A Automatic prewelding machine for relay terminal
CN106504946A A kind of relay spring automatic assembling
CN106736371A A kind of automatic assembling for relay
CN106493539A A kind of relay automatic assembling
CN106384697A Magnetic path structure and relay with same
CN106409614A Improved relay
CN106229217A A kind of energy-saving relay
CN106206172A A kind of relay of switchable power supply
CN106185179A A kind of annular induction system
CN106229220A A kind of relay pushing card loading attachment
CN106216303A A kind of automatic clearing apparatus
CN106324495A Relay electric tester
CN106315237A Material tray stacking and moving device
CN106229219A A kind of mechanical hand for assembling relay1 case
CN105719913A Magnetic latching relay
CN105470054A High-voltage DC vacuum relay
CN105470048A Magnetic latching relay