Patents by Inventor Jeremy Langot

Jeremy Langot 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).

  • Cathode emissive body for an impregnated cathode of an electron tube
    Patent number: 6979942
    Abstract: Body (1) formed from a porous matrix impregnated with an electron-emitting material, defined by external faces (11, 12, 13) that all have a roughness of less than 0.2 ?m. Because of this surface finish, the operation and the lifetime of the cathodes provided with such cathode emissive bodies are substantially improved.
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: December 27, 2005
    Assignee: Thomson Licensing
    Inventors: Jean-Claude Pruvost, Jeremy Langot, Jean-Remy Adamski
  • Cathode emissive body for an impregnated cathode of an electron tube
    Publication number: 20040032195
    Abstract: Body (1) formed from a porous matrix impregnated with an electron-emitting material, defined by external faces (11, 12, 13) that all have a roughness of less than 0.2 &mgr;m.
    Type: Application
    Filed: May 23, 2003
    Publication date: February 19, 2004
    Inventors: Jean-Claude Pruvost, Jeremy Langot, Jean-Remy Adamski