Patents by Inventor Hsiu-Ching Yu

Hsiu-Ching Yu 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).

  • Auxiliary respiratory device
    Publication number: 20060249146
    Abstract: An auxiliary respiratory device includes a hollow body having a first inlet, an outlet in communication with the first inlet and having a first check valve pivotally connected to an inner periphery defining the outlet to allow air to flow only out of the outlet and an air suction hole in communication with the first inlet and having a second check valve pivotally connected to an inner periphery defining the air suction hole to allow air to flow only to the first inlet from the air suction hole.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 9, 2006
    Inventor: Hsiu-Ching Yu