Patents by Inventor Helmut Steinberg

Helmut Steinberg 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 waveguide with protective tube
    Patent number: 6246821
    Abstract: An optical waveguide, in particular for a vehicle, with an optical fiber (1) which is composed of polymer material and with a protective layer which encloses the fiber (1). The waveguide includes a metal pipe (2) having a corrugation at an angle to its longitudinal axis (4), the pipe forming an electrical conductor, and being externally insulated (5).
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: June 12, 2001
    Assignee: Alcatel
    Inventors: Heinz Jurgen Hemken, Wolfgang Scheideler, Helmut Steinberg, Peter Zamzow