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TSAI PO-CHUAN

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    194,724
About

TSAI PO-CHUAN has a total of 37 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States and EPO (European Patent Office). Its main competitors in its focus markets transport, machines and furniture and games are BRAMPTON FREDERICK WILLIAM, OGTM OFFICINE MECCANICHE SRL and HAION CASTER IND CO LTD.

Patent filings in countries

World map showing TSAI PO-CHUANs patent filings in countries
# Country Total Patents
#1 United States 36
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing TSAI PO-CHUANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tsai Po-Chuan 37

Latest patents

Publication Filing date Title
US9211762B1 Castor with two braking functions
US2016082770A1 Wheel Structure
US9139044B1 Castor braking and stopping rotating simultaneously
US2015360512A1 Riveting Structure of Caster Wheel
US2015223610A1 Rotatable armrest
US2015040352A1 Double brake structure for caster wheel
US2015040346A1 Caster Wheel Structure
US2014250628A1 Castor for Luggage
US8499413B1 Castor braking and stopping rotating simultaneously
US8522397B1 Castor that is controlled by a wire to brake and stop rotating simultaneously
US2013180080A1 Castor Having Waterproof Function
US2012084940A1 Castor Having a Greater Structural Strength to Bear a Heavier Load
US2012079681A1 Protective device for castor
US2011248542A1 Chair armrest assembly having adjustable height
US2011225769A1 Castor Assembly for a Chair
US2011226925A1 Lifting device for chair including force distributing pressing and locking sleeves
US2011221251A1 Chair armrest assembly having adjustable height
US2011146027A1 Castor Assembly Having Adjustable Height
US2011140498A1 Armrest assembly that can adjust its leftward and rightward positions
US2011138571A1 Castor that can be Detached and Cleaned Easily and Quickly