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WENZHOU VAN SHEEN ELECTRIC APPLIANCE CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    125,597
  • Filing trend
    ⇩ 100.0%
About

WENZHOU VAN SHEEN ELECTRIC APPLIANCE CO LTD has a total of 19 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China and United States. Its main competitors in its focus markets electrical machinery and energy and measurement are SUZHOU ELE MFG CO LTD, KOPELMAN ROBERT Z and YUYAO JIARONG ELECTRON ELECTRICAL CO LTD.

Patent filings in countries

World map showing WENZHOU VAN SHEEN ELECTRIC APPLIANCE CO LTDs patent filings in countries
# Country Total Patents
#1 China 16
#2 United States 3

Patent filings per year

Chart showing WENZHOU VAN SHEEN ELECTRIC APPLIANCE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Huang Huadao 15
#2 Huang Jinhe 3
#3 Huang Defu 1

Latest patents

Publication Filing date Title
CN108063331A For the baffle for insertion holes device of earth leakage protective socket
CN107634384A Power outlet with USB interface safety shield device
US2018061605A1 Ground fault circuit interrupter having reversed wiring protection function
US2018059163A1 Quick-action leakage detection protection circuit having regular self-checking function
CN105006679A Wiring board
CN104638421A Multihole socket with jack safety baffle device
CN104659513A Power supply device
CN104682126A Leakage protection socket
CN104269703A Electric leakage protection socket
CN104104055A Electric leakage detection protection circuit with timed self-checking and reverse wiring protection functions
CN103887764A Electric leakage detection and protection circuit integrating regular self-inspection and reversed wiring protection functions
CN103887765A Electric leakage detection protection circuit with discrete component timing self-detection function
CN103943991A Electric leakage protection socket with socket aperture baffle device
CN103744327A Timer
CN103490377A Protection circuit for electric leakage detection
CN103401214A Electric leakage detection protection circuit with timing self-checking function
CN103269000A Improved-type leakage protection socket with function of negative wiring protection
CN103219702A Electric leakage detection protection circuit capable of performing timed self-detection