Patents by Inventor John George Beatson

John George Beatson 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).

  • Silicon carbide heating elements
    Patent number: 7759618
    Abstract: A strip-form silicon carbide furnace heating element is provided having a higher radiating surface area to volume ratio than a conventional tubular element.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: July 20, 2010
    Assignee: Sandvik Materials Technology UK Limited
    Inventor: John George Beatson
  • Electrical heating elements for example made of silicon carbide
    Patent number: 6723969
    Abstract: An electrical resistance ceramic heating element comprises: a) three or more ceramic legs comprising regions of the element in which at least the majority of the electrical heating occurs (hot zones), at least one of the legs being effectively entirely a hot zone and at least two of the legs each comprising a hot zone and a cold zone; b) a number of leg terminal portions less than the number of legs, for connection to a power supply; and, c) ceramic bridging portions providing electrical connectivity between the legs.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: April 20, 2004
    Assignee: Kanthal Limited
    Inventor: John George Beatson