Patents by Inventor Young Hwa Woo

Young Hwa Woo 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: 7726041
    Abstract: A ventilation sole for shoes is disclosed. The ventilation sole of the present invention has a vent hole (110), which is formed in a sidewall of the sole, an air supply hole, which is formed in the upper surface of the sole (100), and an air passage, which communicates the air supply hole with the vent hole, such that outside air is supplied into the shoe. Furthermore, the present invention is characterized in that a vent hole control device (200), which is opened or closed by a knocking operation, is installed in the vent hole (110) such that part thereof protrudes outside the sole (100), thus making it possible for a user to selectively open or close the vent hole (110), as necessary.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: June 1, 2010
    Assignee: Kyoungdo Co., Ltd.
    Inventors: Young Hwa Woo, Yung Ho Kim
  • Publication number: 20090113768
    Abstract: A ventilation sole for shoes is disclosed. The ventilation sole of the present invention has a vent hole (110), which is formed in a sidewall of the sole, an air supply hole, which is formed in the upper surface of the sole (100), and an air passage, which communicates the air supply hole with the vent hole, such that outside air is supplied into the shoe. Furthermore, the present invention is characterized in that a vent hole control device (200), which is opened or closed by a knocking operation, is installed in the vent hole (110) such that part thereof protrudes outside the sole (100), thus making it possible for a user to selectively open or close the vent hole (110), as necessary.
    Type: Application
    Filed: January 5, 2009
    Publication date: May 7, 2009
    Applicant: Kyoungdo Co., Ltd.
    Inventors: Young Hwa Woo, Yung Ho Kim