Patents by Inventor Shwu-Fen Hwang

Shwu-Fen Hwang 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).

  • Publication number: 20080127457
    Abstract: A shoe has a sole, an upper and a counter portion. The upper is securely connected to the sole and has a rear end defined with an opening. The counter portion is pivotally connected to a rear end of the sole to close the opening in the upper. A fastener is mounted on the upper and the pivotal counter portion to connect the pivotal counter portion to the rear end of the upper. Accordingly, a wearer's foot in the shoe can be vented. Also, for a pair of tied shoes with the pivotal counter portions can be put on or taken off without tying or untying the laces. The use of the shoe becomes more versatile and more convenient.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 5, 2008
    Inventors: Jinn-Yi Deng, Sung-Yung Yang, Shwu-Fen Hwang
  • Publication number: 20080080949
    Abstract: A spring toggle includes an outer wing, an inner wing, a spring and a bolt. The outer and inner wings each include a limb, a clipping flange and two sidewalls. The limb has a proximal end, a distal end and two edges. The clipping flange is formed on the proximal end of the limb. The sidewalls are formed respectively on the edges of the limb. The spring is mounted in the inner and outer wings. The bolt is inserted through the spring, extends between the clipping flanges of the inner and outer wings and has an outer thread. The outer thread of the bolt is clipped by the clipping flanges when the inner and outer wings are expanded by the spring.
    Type: Application
    Filed: September 18, 2006
    Publication date: April 3, 2008
    Inventors: Jinn-Yi Deng, Shwu-Fen Hwang