Patents by Inventor David H. Kiel

David H. Kiel 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).

  • Reduced diameter indoor fiber optic cable
    Patent number: 5627932
    Abstract: Tight buffered optical fiber cables for indoor use as jumper or interconnect cables have a reduced outer diameter and nonetheless pass many recognized mechanical and environmental test procedures. A single optical fiber cable has an outer diameter of equal to or less than 1500 .mu.m, and a dual optical fiber cable has an outer diameter of equal to or less than 2000 .mu.m. A layer of loose tensile strength yarn is disposed between the tight buffered optical fiber or optical fibers and the outer jacket. The cables may be made of flame retardant materials for riser or plenum applications.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: May 6, 1997
    Assignee: Siecor Corporation
    Inventors: David H. Kiel, Keith D. Church