Patents by Inventor Jean Marcel Surget

Jean Marcel Surget 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).

  • Patent number: 4028935
    Abstract: The invention provides a method, an appliance and an installation for the termination of small displacements of points on the surface of a solid body.A catadioptric covering, such as a catadioptric paint or a piece of a sheet with catadioptric properties is applied on the point of the solid body whose displacement is to be determined, and after illuminating said covering, one determines in a viewing direction different from that of the displacement the variations in the quantity of light received by a photosensitive receiver coming from an image of the said covering in the plane of which is located a knife-edge partly covered by the said image.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: June 14, 1977
    Assignee: Office National d'Etudes et de Recherches Aerospatiales (O.N.E.R.A.)
    Inventors: Michel Eric Philbert, Jean Marcel Surget