Patents by Inventor Gerhard Dunker

Gerhard Dunker 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).

  • Radiating cable
    Patent number: 4322699
    Abstract: A radiating cable is constructed from an inner conductor and a concentric outer conductor being separated from each other by a dielectric spacer; the outer conductor has openings of similar size and configuration but their density varies periodically in axial direction. In one example, the openings are arranged in circumferential rows and axial rows, the number of openings for circumferential row varies periodically in axial direction. In another example, a single axial row has its openings spaced in a periodically variable spacing.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: March 30, 1982
    Assignee: Kabel-und Metallwerke Gutehoffnungshutte
    Inventors: Helmut Hildebrand, Gerhard Dunker
  • Radiating cable having spaced radiating sleeves
    Patent number: 4129841
    Abstract: A regular, radiating coaxial transmission line is improved by covering it with an insulating coating; similar, cylindrical, radiating elements are equidistantly placed on the line and at a center-to-center distance equal to the wavelength of the center frequency of the h.f. band as transmitted in and through the line.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: December 12, 1978
    Assignee: Kabel-und Metallwerke Gutehoffnungshutte A.G.
    Inventors: Helmut Hildebrand, Gerhard Dunker