Patents by Inventor Roger Teillard

Roger Teillard 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).

  • Helical wiggler device with permanent magnets for application to free electron lasers
    Patent number: 5068860
    Abstract: Disclosed is a magnetic assembly setting up a helical field of variable amplitude along the axis of the helix, using permanent magnets. The disclosed device is a wiggler with adiabatic insertion for application to free electron lasers and, for this use, it has advantages of simplicity of construction and implementation.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: November 26, 1991
    Assignee: Thomson Tubes Electroniques
    Inventors: Frederic Hartemann, Michel Bres, Roger Teillard