Patents by Inventor Howard Hiroshi Okabayshi

Howard Hiroshi Okabayshi 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).

  • Separator screen with solids conveying end area
    Patent number: 6726029
    Abstract: A screen assembly for a vibratory separator having, in one aspect, a frame with a plurality of openings therethrough, screening material on the frame over the openings, the frame having an end area at a material exit end of the frame, and end apparatus at the end area for facilitating material movement over the end area; in one aspect, non-smooth areas on top of the screen assembly to impede solids movement on such areas and/or to direct them off such areas; vibratory separators with such a screen assembly; and methods of their use.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: April 27, 2004
    Assignee: Varco I/P, Inc.
    Inventors: Howard Hiroshi Okabayshi, Thomas C. Adams, Guy L. McClung, III
  • Separator screen with solids conveying end area
    Publication number: 20030230526
    Abstract: A screen assembly for a vibratory separator having, in one aspect, a frame with a plurality of openings therethrough, screening material on the frame over the openings, the frame having an end area at a material exit end of the frame, and end apparatus at the end area for facilitating material movement over the end area; in one aspect, non-smooth areas on top of the screen assembly to impede solids movement on such areas and/or to direct them off such areas; vibratory separators with such a screen assembly; and methods of their use.
    Type: Application
    Filed: June 12, 2002
    Publication date: December 18, 2003
    Inventors: Howard Hiroshi Okabayshi, Thomas C. Adams, Guy L. McClung