Patents by Inventor Stephen J. Parrott

Stephen J. Parrott 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).

  • Patent number: 6394794
    Abstract: A modular furnace is fabricated from at least one module having a frame, a removable cover mounted to the frame, exterior cover panels on the frame, and an insulated case fastened to the interior of the module. A conveyor assembly extends through the module. A plurality of process zones, such as heating and cooling zones, are disposed within the module. Field replaceable universal blower assemblies are associated with each process zone. The motor shaft in each blower assembly is provided with a sealed bearing in the motor housing. Insulation within each module is held in place by gas permeable fabric covering large vent openings in cover panels to allow oxygen to diffuse out of the insulation rapidly upon start up.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: May 28, 2002
    Assignee: BTU International, Inc.
    Inventors: David Bloom, Robert Bouchard, David S. Harvey, Geoffrey C. Neiley, III, Donald A. Seccombe, Jr., Terrance Wong, Richard Tarczon, Stephen J. Parrott, Paul Edgington
  • Publication number: 20010055740
    Abstract: A modular furnace is fabricated from at least one module having a frame, a removable cover mounted to the frame, exterior cover panels on the frame, and an insulated case fastened to the interior of the module. A conveyor assembly extends through the module. A plurality of process zones, such as heating and cooling zones, are disposed within the module. Field replaceable universal blower assemblies are associated with each process zone. The motor shaft in each blower assembly is provided with a sealed bearing in the motor housing. Insulation within each module is held in place by gas permeable fabric covering large vent openings in cover panels to allow oxygen to diffuse out of the insulation rapidly upon start up.
    Type: Application
    Filed: February 2, 2001
    Publication date: December 27, 2001
    Applicant: BTU International, Inc.
    Inventors: David Bloom, Robert Bouchard, David S. Harvey, Geoffrey C. Neiley, Donald A. Seccombe, Terrance Wong, Richard Tarczon, Stephen J. Parrott, Paul Edgington