Patents by Inventor Raymond-Yves Deroche

Raymond-Yves Deroche 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).

  • Straightened rail
    Patent number: 4755238
    Abstract: The steel rail is submitted to a tensile stress exceeding the conventional 0.2% offset yield strength of the steel, up to a stress value corresponding to a total plastic deformation of the whole rail.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: July 5, 1988
    Assignee: Unimetal
    Inventors: Raymond-Yves Deroche, Yves Bourdon, Andre Faessel
  • Method for straightening a rail and straightened rail
    Patent number: 4597283
    Abstract: The steel rail is submitted to a tensile stress exceeding the conventional 0.2% offset yield strength of the steel, up to a stress value corresponding to a total plastic deformation of the whole rail.
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: July 1, 1986
    Assignee: Societe Anonyme Dite: SACILOR
    Inventors: Raymond-Yves Deroche, Yves Bourdon, Andre Faessel