Patents by Inventor Paul Shefsiek

Paul Shefsiek 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).

  • Apparatus for uniform flow distribution of gas in processing equipment
    Patent number: 7037106
    Abstract: A uniform flow control system for processing equipment with a plurality of work pieces located within the processing equipment, including a gas circulating device that circulates gas, a work chamber that can accommodate the plurality of work pieces and an expansion chamber that is located outside the work chamber and that guides gas to the work chamber. The expansion chamber includes a first chamber that extends along a first surface of the work chamber, a second chamber that extends along a second surface of the work chamber to a side of the first chamber, and a third chamber that extends from an end of the first chamber that is opposite the gas circulating device and below an end of the second chamber that is opposite the gas circulating device.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: May 2, 2006
    Assignee: Seco/Warwick Corporation
    Inventor: Paul Shefsiek
  • Apparatus for uniform flow distribution of gas in processing equipment
    Publication number: 20060046222
    Abstract: A uniform flow control system for processing equipment with a plurality of work pieces located within the processing equipment, including a gas circulating device that circulates gas, a work chamber that can accommodate the plurality of work pieces and an expansion chamber that is located outside the work chamber and that guides gas to the work chamber. The expansion chamber includes a first chamber that extends along a first surface of the work chamber, a second chamber that extends along a second surface of the work chamber to a side of the first chamber, and a third chamber that extends from an end of the first chamber that is opposite the gas circulating device and below an end of the second chamber that is opposite the gas circulating device.
    Type: Application
    Filed: August 31, 2004
    Publication date: March 2, 2006
    Applicant: SECO/WARWICK CORPORATION
    Inventor: Paul Shefsiek