Patents by Inventor Marcellis J. A. Van Der Kemp

Marcellis J. A. Van Der Kemp 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).

  • Universal waveguide joint, flexible coupler, and arrangement for a surveillance radar antenna
    Patent number: 4786913
    Abstract: Universal waveguide joint, provided with at least two waveguide segments (1-7) slidable over each other, whereby one end of at least one of the waveguide segments (1-7) has a convex surface and the end of another respective waveguide segment, slidable over said convex surface, a concave surface.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: November 22, 1988
    Assignee: 501 Hollandse signaalapparaten B.V.
    Inventors: Albertus J. Barendregt, Marcellis J. A. Van Der Kemp