Patents by Inventor Jean-Denis Dube

Jean-Denis Dube 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).

  • Mobile screening unit
    Patent number: 6843376
    Abstract: A mobile screening unit for screening bulk material. The screening unit comprises a first screener, a second screener, and an elongated mobile support frame having a longitudinal axis. The first screener is mounted to the support frame and extends longitudinally thereon. The first screener has an inlet for receiving the bulk material containing large-sized, medium-sized, and small-sized particles. The first screener also has a first outlet for releasing large-sized particles and a second outlet for releasing medium-sized and small-sized particles. The first screener is used for screening the bulk material along a first direction substantially parallel to the longitudinal axis of the support frame. The second screener is mounted to the support frame and extends longitudinally thereon.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: January 18, 2005
    Assignee: Premier Tech 2000 Ltee
    Inventors: Jean-Denis Dube, Éric Houle, Frédéric Gauvin
  • Mobile screening unit
    Publication number: 20020056668
    Abstract: A mobile screening unit for screening bulk material. The screening unit comprises a first screener, a second screener, and an elongated mobile support frame having a longitudinal axis. The first screener is mounted to the support frame and extends longitudinally thereon. The first screener has an inlet for receiving the bulk material containing large-sized, medium-sized, and small-sized particles. The first screener also has a first outlet for releasing large-sized particles and a second outlet for releasing medium-sized and small-sized particles. The first screener is used for screening the bulk material along a first direction substantially parallel to the longitudinal axis of the support frame. The second screener is mounted to the support frame and extends longitudinally thereon.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 16, 2002
    Inventors: Jean-Denis Dube, Eric Houle, Frederic Gauvin