Patents by Inventor Ling-Yun Huang

Ling-Yun Huang 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: 7393308
    Abstract: The present invention is fitness equipment with multiple functions. The fitness equipment includes a main frame, rotatable head rack, handrail rack, seat set, linkage bar, damping device and a rotatable treadle device. With the coupled configuration of rotatable head rack, seat set, linkage bar and damping device, trampling, hand-pulling and buttock lifting exercises can be achieved. The fitness equipment meets diversified requirements for both horse-riding and trampling, and also saves the space and cost.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: July 1, 2008
    Inventor: Ling-Yun Huang