Patents by Inventor Ekkehard Kwast

Ekkehard Kwast 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).

  • Optical cable having a metallic core with a channel containing an optical waveguide
    Patent number: 6608953
    Abstract: In an optical cable consisting of a metallic core (1) with at least one channel (2), which extends in the longitudinal direction of the core (1) and in which at least one optical waveguide (13) is arranged, the at least one channel (2) is arranged within the sheath encasing the core (1) and is closed to the exterior.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: August 19, 2003
    Assignee: Alcatel
    Inventor: Ekkehard Kwast
  • Optical cable
    Publication number: 20010019650
    Abstract: In an optical cable consisting of a metallic core (1) with at least one channel (2), which extends in the longitudinal direction of the core (1) and in which at least one optical waveguide (13) is arranged, the at least one channel (2) is arranged within the sheath encasing the core (1) and is closed to the exterior.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 6, 2001
    Inventor: Ekkehard Kwast
  • Electric cable comprising a braid surrounding the cable core
    Patent number: 5023405
    Abstract: The invention relates to an electric cable comprising a braid which consists of crossed metallic braiding elements and surrounds the cable core, in which braided non-metallic elements of a high tensile strength are braided. Improved values for resistance to interference radiation and damping are obtained in that the metallic braiding elements and the non-metallic elements are arranged radially one over the other in parallel.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: June 11, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Ekkehard Kwast