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SUN YUNG-YUNG

Overview
  • Total Patents
    11
About

SUN YUNG-YUNG has a total of 11 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States. Its main competitors in its focus markets machine tools and machines are STORM PNEUMTIC TOOL CO LTD, DOUBLE DYNASTY CO LTD and NANJING JIUCHI ELECTROMECHANICAL IND CO LTD.

Patent filings in countries

World map showing SUN YUNG-YUNGs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing SUN YUNG-YUNGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Sun Yung-Yung 11
#2 Cheng Chuan-Ching 10
#3 Cheng Chuan Ching 1

Latest patents

Publication Filing date Title
US2013075123A1 Forward/reverse rotation control device of pneumatic tool
US2012325510A1 Impact wrench with improved redirection switch
US2012318544A1 Rotation speed control device for air tools and rotation speed control method thereof
US2012138329A1 Structure of pneumatic impact wrench
US2012054984A1 Air tool handle
US2010288522A1 Pneumatic tool with an improved soundproof device
US2010323594A1 Grinding disc structure
US2008029281A1 Pneumatic tool
US2008173460A1 Air tool with double exhaust pipes
US2007251709A1 Pneumatic tool
US7118467B2 Pneumatic buffing machine