Patents by Inventor Christopher Goodhand

Christopher Goodhand 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).

  • Vacuum tube with oxide cathode
    Publication number: 20060076871
    Abstract: A vacuum tube, in particular a cathode ray tube, equipped with at least one oxide cathode comprising a cathode carrier with a cathode base of a cathode metal and a cathode body with a cathode coating of an electron-emitting material that comprises an alkaline earth oxide, selected from the group formed by the oxides of calcium, strontium and 5 barium, and a sintering inhibitor.
    Type: Application
    Filed: November 14, 2003
    Publication date: April 13, 2006
    Applicant: KONINLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: George Gaertner, David Barratt, Christopher Goodhand, Detlef Raasch