Patents by Inventor Pierre L. Tanguay

Pierre L. Tanguay 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).

  • Control cage for abrasive blast wheel
    Patent number: 6949014
    Abstract: A control cage for an abrasive blasting wheel includes a housing forming an interior chamber, a blast media outlet positioned in the housing, and a channel formed in an inner side of the housing. A distribution device for an abrasive blasting wheel includes an impeller having a media inlet at one end adapted to receive blast media and a plurality of impeller media outlets constructed and arranged to allow egress of the blast media upon rotation of the impeller, a control cage surrounding the impeller and having a cage media outlet adapted for passage of the blast media, and a channel formed between the impeller and the control cage. The channel of the distribution device may be formed on an inner side of the control cage, an outer side of the impeller, or both.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: September 27, 2005
    Assignee: Wheelabrator Group, Inc.
    Inventors: Ronald G. Barrier, Mathew L. Loutzenheiser, Pierre L. Tanguay