Patents by Inventor Daniel Mathis

Daniel Mathis 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).

  • Continuous variable-speed transport apparatus
    Patent number: 4732257
    Abstract: The invention relates to continuous transport apparatus whose transport speed is variable. The embodiment illustrated is a moving walkway in which the load-bearing members are plates, adjacent plates overlapping to present a continuous surface. The load-bearing members are mounted on respective supports and the variation in speed is obtained by varying the spacing between adjacent supports. The supports are connected by a flexible link, which is a chain or belt in the preferred embodiment.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: March 22, 1988
    Assignee: Regie Autonome des Transports Parisiens
    Inventors: Daniel Mathis, Pierre Patin