Patents by Inventor Wen-kuang Wang

Wen-kuang Wang 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).

  • Nasal cavity filter and manufacturing method thereof
    Publication number: 20090120441
    Abstract: A nasal cavity filter includes two horn-shaped filter units each having a filter layer fixed therein. The shape of the filter layer is disposed relative to that of the filter unit. The filter unit is made of flexible material and the filter layer is made of soft material. The two filter units are respectively inserted into two nasal passages of user's nose and connected by an arc bridge that goes across a distal end of user's nasal bone.
    Type: Application
    Filed: November 13, 2007
    Publication date: May 14, 2009
    Inventor: Wen-kuang Wang