Patents by Inventor Joseph Leonard Smith

Joseph Leonard Smith 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).

  • Flanged perforated metal plate for separation of pellets and particles
    Patent number: 9296028
    Abstract: A perforated plate for a vibratory sifter, the perforated plate including a base plate comprising a plurality of openings formed therethrough, and a flange integrally formed with the base plate. A method of forming a screen assembly for a vibratory sifter, the method including forming a base plate, forming a plurality of openings extending from a top surface to a bottom surface of the base plate, and forming an integral flange on the base plate.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: March 29, 2016
    Assignee: M-I L.L.C.
    Inventor: Joseph Leonard Smith
  • FLANGED PERFORATED METAL PLATE FOR SEPARATION OF PELLETS AND PARTICLES
    Publication number: 20130074310
    Abstract: A perforated plate for a vibratory sifter, the perforated plate including a base plate comprising a plurality of openings formed therethrough, and a flange integrally formed with the base plate. A method of forming a screen assembly for a vibratory sifter, the method including forming a base plate, forming a plurality of openings extending from a top surface to a bottom surface of the base plate, and forming an integral flange on the base plate.
    Type: Application
    Filed: November 26, 2012
    Publication date: March 28, 2013
    Inventor: Joseph Leonard Smith
  • Flanged perforated metal plate for separation of pellets and particles
    Patent number: 8317030
    Abstract: A perforated plate for a vibratory sifter, the perforated plate including a base plate comprising a plurality of openings formed therethrough, and a flange integrally formed with the base plate. A method of forming a screen assembly for a vibratory sifter, the method including forming a base plate, forming a plurality of openings extending from a top surface to a bottom surface of the base plate, and forming an integral flange on the base plate.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: November 27, 2012
    Assignee: M-I L.L.C.
    Inventor: Joseph Leonard Smith
  • FLANGED PERFORATED METAL PLATE FOR SEPARATION OF PELLETS AND PARTICLES
    Publication number: 20110120920
    Abstract: A perforated plate for a vibratory sifter, the perforated plate including a base plate comprising a plurality of openings formed therethrough, and a flange integrally formed with the base plate. A method of forming a screen assembly for a vibratory sifter, the method including forming a base plate, forming a plurality of openings extending from a top surface to a bottom surface of the base plate, and foaming an integral flange on the base plate.
    Type: Application
    Filed: November 22, 2010
    Publication date: May 26, 2011
    Applicant: M-I L.L.C.
    Inventor: Joseph Leonard Smith