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CHANG RICHARD

Overview
  • Total Patents
    17
About

CHANG RICHARD has a total of 17 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, EPO (European Patent Office) and Hong Kong. Its main competitors in its focus markets machines, machine tools and packaging and shipping are SHANKLIN CORP, WELCOME CO LTD and SEAL KOGYO KK.

Patent filings in countries

World map showing CHANG RICHARDs patent filings in countries

Patent filings per year

Chart showing CHANG RICHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Richard 17
#2 Accumanno Mario Bernardo 1
#3 Crowley Michael William 1
#4 Jiang Guofei 1
#5 Ivancic Franjo 1
#6 Sankaranarayanan Sriram 1

Latest patents

Publication Filing date Title
US2013269964A1 Main shaft structure of tool machine
US2011256816A1 Abrasive apparatus of a sander
US2011253260A1 Wood cutting machine with a fine adjustment device
HK1124024A1 Hand-held electric sealer with detachable sealing module
EP2017066A2 Hand-held electric sealer with dual heads
US2008314888A1 Sealing mechanism for hand-held electric sealer
US2008082968A1 Software testing using machine learning
US2009026190A1 Hand-held electric sealer with detachable sealing module
US2006023872A1 Portable electronic device customization kit
GB0413549D0 Timer tea maker
HK1062796A2 Combination of power supply and detachable electric implement
US7285934B2 Combination of power supply and detachable electric implement
HK1060479A2 Structure of a nailing machine chute
EP1052081A1 Handy electric sealer with safety means