Patents by Inventor Chang-Lin HSIANG

Chang-Lin HSIANG 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: 20150089840
    Abstract: A multi-function variable healthcare shoe is provided, including a foot pad having an air sack foot pad that obeys pumping principles, an intake valve disposed on an inner side of a rear bottom portion of the air sack, and an exhaust valve disposed on an inner side of a toe portion of the air sack. A plurality of non-slip protrusions are disposed in front of the air sack. A curved and protruded air guide turns to an external portion of a venting slot for guiding air to flow through a slot disposed on a bottom portion and a protection edge to a topline to form a ventilation system. Therefore, air keeps flowing through and ventilating in the multi-function variable healthcare shoe. The foot pad has a massage cover. The foot pad is full-sized or half-sized.
    Type: Application
    Filed: December 27, 2013
    Publication date: April 2, 2015
    Inventors: Chang-Lin HSIANG, Ching-Jui HSIANG