Patents Represented by Attorney Duane Morris & Heskscher LLP
  • Patent number: 5965050
    Abstract: A heating element is formed of graphite. The heating element has a curved shape. The heating element is capable of resisting electricity to generate heat. A method for forming the heating element comprises the steps of: forming a plurality of graphite heating element segments, each segment having a curved shape; and assembling the plurality of graphite heating element segments to form a heating element.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: October 12, 1999
    Assignee: Vacuum Furnace Systems Corp.
    Inventors: Fred W. Ripley, David Rinz