Patents by Inventor John Beatson

John 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).

  • Electrical resistance heating element
    Patent number: 10129931
    Abstract: A silicon carbide heating element is provided having one or more hot zones and two or more cold ends in which:— the cross-sectional areas of the two or more cold ends are substantially the same or less than the cross-sectional areas of the one or more hot zones; and part at least of at least one cold end comprises a body of recrystallized silicon carbide material coated with a conductive coating having an electrical resistivity lower than that of the recrystallized silicon carbide material.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: November 13, 2018
    Assignee: SANDVIK MATERIALS TECHNOLOGY UK LIMITED
    Inventors: Martin McIver, Helen Seaton, Stanley Moug, John Beatson
  • Electrical Resistance Heating Element
    Publication number: 20110089161
    Abstract: A silicon carbide heating element is provided having one or more hot zones and two or more cold ends in which:- the cross-sectional areas of the two or more cold ends are substantially the same or less than the cross-sectional areas of the one or more hot zones; and part at least of at least one cold end comprises a body of recrystallised silicon carbide material coated with a conductive coating having an electrical resistivity lower than that of the recrystallised silicon carbide material.
    Type: Application
    Filed: June 3, 2009
    Publication date: April 21, 2011
    Applicant: Sandvik Materials Technology UK Limited
    Inventors: Martin McIver, Helen Seaton, Stanley Moug, John Beatson
  • Silicon carbide heating elements
    Publication number: 20060198420
    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: Application
    Filed: July 16, 2004
    Publication date: September 7, 2006
    Inventor: John Beatson