Patents by Inventor Yi-Kung Hung

Yi-Kung Hung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vibration-damping hammer
    Publication number: 20060005667
    Abstract: A vibration-damping hammer has a head with a neck portion, a handle attached to the neck portion and at least one damping hole defined in the head, particularly in the neck. The at least one damping hole makes the neck sufficiently flexible and mitigates vibration transmission and so eliminates most vibrating energy. Therefore, the hammer has less vibration whereby the comfort enables the user to avoid working injury.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 12, 2006
    Inventor: Yi-Kung Hung
  • Hammer head
    Patent number: D503605
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: April 5, 2005
    Inventor: Yi-Kung Hung
  • Hammer head
    Patent number: D505609
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: May 31, 2005
    Inventor: Yi-Kung Hung
  • Hand tool handle pattern
    Patent number: D515387
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: February 21, 2006
    Inventor: Yi-Kung Hung
  • Hatchet
    Patent number: D519813
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: May 2, 2006
    Inventor: Yi-Kung Hung
  • Mallet
    Patent number: D519814
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: May 2, 2006
    Inventor: Yi-Kung Hung
  • Head of a hammer
    Patent number: D521343
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: May 23, 2006
    Inventor: Yi-Kung Hung
  • Head of a hammer
    Patent number: D521345
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: May 23, 2006
    Inventor: Yi-Kung Hung
  • Hand tool handle pattern
    Patent number: D462885
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: September 17, 2002
    Inventor: Yi-Kung Hung
  • Handle for a tool
    Patent number: D466390
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: December 3, 2002
    Inventor: Yi-Kung Hung
  • Hammerhead
    Patent number: D468181
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: January 7, 2003
    Inventor: Yi-Kung Hung
  • Hammer
    Patent number: D474667
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: May 20, 2003
    Inventor: Yi-Kung Hung
  • Hand tool handle pattern
    Patent number: D475598
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: June 10, 2003
    Inventor: Yi-Kung Hung
  • Handle for a hand tool
    Patent number: D481611
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: November 4, 2003
    Inventor: Yi-Kung Hung
  • Mallet
    Patent number: D490679
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: June 1, 2004
    Inventor: Yi-Kung Hung
  • Handle for a tool
    Patent number: D494444
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: August 17, 2004
    Inventor: Yi-Kung Hung
  • Handle for a handtool
    Patent number: D495227
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: August 31, 2004
    Inventor: Yi-Kung Hung
  • Hammer head
    Patent number: D497789
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: November 2, 2004
    Inventor: Yi-Kung Hung
  • Claw hammer
    Patent number: D498402
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: November 16, 2004
    Inventor: Yi-Kung Hung
  • Claw hammer
    Patent number: D499322
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: December 7, 2004
    Inventor: Yi-Kung Hung