Patents by Inventor Siu Nam Tang

Siu Nam Tang 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).

  • Patent number: 7422180
    Abstract: The present invention relates to a magnetic knife stand which comprises one or more slits for inserting knives. On the upper inner side of each inserting slit, one or more magnets are disposed. A hole or a hollow is disposed on the upper inner side of each inserting holes, and the magnet is placed inside the hole or hollow on the upper inner side of the inserting slit. During and after the process of inserting the knives into the knife stand, the magnets will keep the cutting edges of the knives away from the bottom inner sides of the inserting slits, thereby effectively preventing the edges from becoming blunt, which is caused by their rubbing against the inserting slits. The frequency of sharpening the blades can be reduced and the lifespan of the knives can be extended. Further, this magnetic knife stand is more effective in protecting the knife stand from being cut or worn out by the knives. This invention enables the knives to be stored securely in the knife stand.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: September 9, 2008
    Assignee: Viceversa International Limited
    Inventor: Siu Nam Tang
  • Publication number: 20060289701
    Abstract: The present invention relates to a magnetic knife stand which comprises one or more slits for inserting knives. On the upper inner side of each inserting slit, one or more magnets are disposed. A hole or a hollow is disposed on the upper inner side of each inserting holes, and the magnet is placed inside the hole or hollow on the upper inner side of the inserting slit. During and after the process of inserting the knives into the knife stand, the magnets will keep the cutting edges of the knives away from the bottom inner sides of the inserting slits, thereby effectively preventing the edges from becoming blunt, which is caused by their rubbing against the inserting slits. The frequency of sharpening the blades can be reduced and the lifespan of the knives can be extended. Further, this magnetic knife stand is more effective in protecting the knife stand from being cut or worn out by the knives. This invention enables the knives to be stored securely in the knife stand.
    Type: Application
    Filed: December 19, 2005
    Publication date: December 28, 2006
    Applicant: VICEVERSA INTERNATIONAL LIMITED
    Inventor: Siu Nam Tang