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CHEN CHANG-YING

Overview
  • Total Patents
    30
About

CHEN CHANG-YING has a total of 30 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and consumer goods are CHEN TSAI-CHING, CHEN KUN-CHEN and HAZET WERK ZERVER HERMANN.

Patent filings in countries

World map showing CHEN CHANG-YINGs patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 3
#3 United Kingdom 3

Patent filings per year

Chart showing CHEN CHANG-YINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Chang-Ying 30
#2 Chou Yi-Heng 1
#3 Wu Chang-Shuo 1
#4 Chen Fu-Hao 1

Latest patents

Publication Filing date Title
US2013050596A1 Auto-stereoscopic display and method for fabricating the same
US2009242443A1 Tool storage assembly
US2009159467A1 Tool cover
US2009064827A1 Quick detaching combining rod
US2009056512A1 Hand tool with a clutch device
US2009013836A1 Torque adjustable screwdriver having a torque indicator
US2008141540A1 Gardening tool with retaining assembly
US2008128441A1 Hideable toolbox handle
US2007141885A1 Tool rack with locking device
GB0522222D0 Tool rack for tool box
US2007090008A1 Tool rack for tool boxes
CA2524040A1 Tool retaining seat
GB0520609D0 A tool holder
US2007062831A1 Safety switch of a toolbox
US2007051216A1 Multi-functional tool head
US2007044596A1 Bit connector
US2006112796A1 Screwdriver with teethed head
US2006022416A1 Rapid detached connecting device
US2006016299A1 Indicating device of tool handle
CA2466822A1 Removable tool box