Patents by Inventor Peter Pra?mayer

Peter Pra?mayer 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).

  • Waveguide bend having a square shape cross-section
    Patent number: 7750763
    Abstract: An improved 90° waveguide bend has the following features: the waveguide bend has two waveguide connectors located perpendicularly to each other, the waveguide connectors have a square internal cross section having an edge length (a), between the two waveguide connectors there is provided an angular portion producing the 90° change in direction, the angular portion has externally to the 90° change in direction a chamfer as a delimiting wall for the waveguide bend, the waveguide channel being outwardly delimited by the chamfer, and the chamfer has in the plane of curvature a length corresponding to the edge length (a) of the waveguide connectors which are square in cross section, ±less than 0.5%.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: July 6, 2010
    Assignee: Kathrein-Werke KG
    Inventors: Peter Praβmayer, Werner Blaier, Krzysztof Kaczmarski