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CAO GUOFANG

Overview
  • Total Patents
    15
About

CAO GUOFANG has a total of 15 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States. Its main competitors in its focus markets furniture and games, machines and machine tools are THOMAS JAMES S, SOLHEIM JOHN A and HONMA GOLF CLUB.

Patent filings in countries

World map showing CAO GUOFANGs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing CAO GUOFANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cao Guofang 15

Latest patents

Publication Filing date Title
US7819786B1 Dumbbell Assembly
US2009270233A1 Dumbbell Handle Assembly and Method of Production
US2008305936A1 Weight selection system for fitness training equipment
US2008214368A1 Dumbbell Head Impact Protection Structure
US2007249475A1 Fixed Weight Dumbbell Assembly
US7211030B1 Exercise machine having full weight or half weight selection mechanism
US2007243976A1 Exercise Machine Having Safety Feature On The Weight Selection Pin
US2007004569A1 Weight plates stacking system for fitness training equipment
US2006172070A1 Method of producing logos or color codes for weight plates and weight heads
US2006172871A1 Apparatus for weight heads assembly used on dumbbells
US2006075910A1 Method of producing logos or color codes for weight plates and weight heads
US2006073949A1 Protective shield for weight plate and lifting bar
US2005266968A1 Torque releasing mechanism for fitness training equipment
US2005217756A1 Disposable tree stump cutting tip and assembly
US7140407B2 Configurations and designs for stump grinding teeth and corresponding holding brackets