Patents by Inventor Franciscus M. Coolen

Franciscus M. Coolen 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).

  • Detachable connector for optical fibres
    Patent number: 4380366
    Abstract: A connector for connecting optical fibers comprises three portions:a. centering means for centering the fiber with respect to a housing in which the fiber has been inserted,b. a profiled edge on each housing for centering housings with respect to each other, andc. fixing means for connecting two housings to each other.The edges of the housings are resilient with respect to the rest of the housing so that reference faces of the connector can be pressed together by springing back the edges.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: April 19, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Adrianus J. J. Franken, Franciscus M. Coolen, Giok D. Khoe, Jacob Langerhorst, Henricus W. W. Smulders