Patents by Inventor Shyue-Ding Chiu

Shyue-Ding Chiu 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: 6834414
    Abstract: A doorknob cover comprise a hollow cylindrical body and an element which is capable of attracting magnetically or being attracted magnetically. The cylindrical body is provided in one side with an elastic opening, and in other side with the element. The doorknob cover is fitted over the doorknob via the elastic opening. As the door is swiveled toward a wall, the doorknob is arrested by a magnetic seat of the wall due to the magnetic attraction between the element of the doorknob and the magnetic seat of the wall.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: December 28, 2004
    Inventor: Shyue-Ding Chiu
  • Publication number: 20040148734
    Abstract: A doorknob cover comprise a hollow cylindrical body and an element which is capable of attracting magnetically or being attracted magnetically. The cylindrical body is provided in one side with an elastic opening, and in other side with the element. The doorknob cover is fitted over the doorknob via the elastic opening. As the door is swiveled toward a wall, the doorknob is arrested by a magnetic seat of the wall due to the magnetic attraction between the element of the doorknob and the magnetic seat of the wall.
    Type: Application
    Filed: February 3, 2003
    Publication date: August 5, 2004
    Inventor: Shyue-Ding Chiu