Learn more

LIU YUN-ZHAO

Overview
  • Total Patents
    37
About

LIU YUN-ZHAO has a total of 37 patent applications. Its first patent ever was published in 2006. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets electrical machinery and energy, environmental technology and agriculture are KOEHLER BRIGHT STAR INC, KOEHLER MFG CO and LIU YUNZHAO.

Patent filings in countries

World map showing LIU YUN-ZHAOs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 12
#3 Australia 5

Patent filings per year

Chart showing LIU YUN-ZHAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yun-Zhao 37

Latest patents

Publication Filing date Title
US2013265747A1 Portable illuminating and charging device with touch switch
AU2010200328A1 Floatable diving torch
US2011182059A1 Floatable diving torch
CA2691419A1 Floatable diving torch
US2011085324A1 Flashlight
CA2682607A1 Flashlight
CA2680893A1 Flashlight battery charger
US2010328962A1 Movable multi-directional light stand
CA2671218A1 Movable multi-directional light stand
AU2009201172A1 Mobile illuminating lamp usable on water as well as on land
CA2656958A1 Portable light with integral-designed light source body
CA2656954A1 Mobile illuminating lamp usable on water as well as on land
US2010232146A1 Mobile illuminating lamp usable on water as well as on land
US2010232145A1 Portable light with integral-designed light source body
US2010225269A1 Multifunctional vehicle charger and charging process of the same
AU2008101013A4 Flashlight
US2010033962A1 Flashlight
US2009257223A1 Power supply control device of a flashlight
US2009009991A1 Flashlight with a battery device having plural joined-together batteries
US2009011286A1 Battery device with plural joined-together batteries