Patents by Inventor Ricardo F. Ruiz, Jr.

Ricardo F. Ruiz, Jr. 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).

  • Window filter apparatus
    Patent number: 8172919
    Abstract: The window filter apparatus provides a framework for holding filters within the frame of windows, thereby offering filtered outside air for a building, without having to run an air conditioner. The apparatus further provides for filtering noise and light by the same filters. Box fans are ideal companions for the apparatus for drawing additional outside air into a building. No additional hardware or tools are needed. There is no invasion of windows or window frames.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: May 8, 2012
    Inventors: Ricardo F. Ruiz, Ricardo F. Ruiz, Jr.