Patents by Inventor Doug Robertson

Doug Robertson 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).

  • Conveyor for a preparation machine used to orient objects
    Patent number: 7972088
    Abstract: A conveyor which can be used to route oriented objects, such as caps, covers, lids, etc. from a finishing machine of the type including a belt, a vibrating bowl or other. The conveyor includes a module having a vertical conveyor in the form of a column with an adjustable height and an intermediate conveyor in the form of a casing which is disposed between the finishing machine and the column. In addition, the module includes channel-type devices for guiding the objects and devices for propelling the objects, in the form of jets of air pulsed through eyes. The channel and the eyes form a continuous assembly between the finishing machine and the upper end of the column. The conveyor also includes devices enabling the automatic ejection of objects from grooves provided in the belt of the machine.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: July 5, 2011
    Assignee: Sidel Participations
    Inventors: Sean Dotson, Bill Klawonn, Mina Klawonn, legal representative, Stéphane Lorange, Samuel Mathis, Doug Robertson, Emmanuel Roth, Gilles Waeldin, Curtis Welter