Patents by Inventor Bernard Sturel

Bernard Sturel 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).

  • Laser head and application thereof to a laser generator device
    Patent number: 4119928
    Abstract: The invention relates to a laser head and the application thereof to a laser generator device. The laser head comprises in particular a neodymium-doped glass rod, a light excitation source and laser rubies excited by this source, the beams emitted by the laser rubies being returned towards a zone of the glass rod which is insufficiently excited by the light source.
    Type: Grant
    Filed: February 8, 1977
    Date of Patent: October 10, 1978
    Assignee: Compagnie General d'Electrocite S.A.
    Inventors: Maurice Michon, Bernard Sturel
  • Laser amplifiers
    Patent number: 3974454
    Abstract: Laser amplifier of the type comprising a straight cylinder surrounded by a flash, characterized in that the cylinder comprises a first internal portion made of doped glass, having the shape of a cylinder of revolution whose shape is obtained by the rotation about an axis of an arc of a curve turning its convexity towards the axis and a second portion surrounding the first and whose component material is a liquid having an index close to that of the material constituting the first portion.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: August 10, 1976
    Assignee: Compagnie Generale d'Electricite
    Inventor: Bernard Sturel