Patents by Inventor Felice Vanin

Felice Vanin 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).

  • POLARIZATION-PRESERVING WAVEGUIDE FILTER AND TRANSFORMER
    Publication number: 20070262835
    Abstract: A microwave waveguide filter comprises an input waveguide section; an output waveguide section; a plurality of resonator sections disposed between the input and output waveguide sections; and a plurality of coupling sections disposed on either side of each of the resonator sections; wherein the input waveguide section, the resonator sections, and the output waveguide section have at least four fold symmetric quadruple ridge cross-sections and the coupling sections have at least four fold symmetric cross-sections.
    Type: Application
    Filed: May 15, 2007
    Publication date: November 15, 2007
    Applicant: USA as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Felice Vanin, Edward Wollack