Patents by Inventor Yeon-Ji Chae

Yeon-Ji Chae 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).

  • VACUUM INDUCTION HEAD WITH DUST-BEATING APPARATUS
    Publication number: 20110035900
    Abstract: The present invention relates to a vacuum cleaning suction head for a vacuum cleaner where the dumping function is added, more particularly to a vacuum cleaning suction head capable of beating the cleaning object such as the bed mattress, the blanket, the carpet and the clothe in elastic and removing the dust (and/or the dirt, the bacteria such as the rat mites, and etc.) infiltrated into the cleaning object in efficiency.
    Type: Application
    Filed: May 23, 2008
    Publication date: February 17, 2011
    Inventors: Byong-Tae Chae, Yeon-Ji Chae