Patents by Inventor Bradley VanderTuin

Bradley VanderTuin 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).

  • Heat Tunnel for Film-Shrinking
    Publication number: 20080092494
    Abstract: A heat tunnel for applying heated air to articles enclosed in shrink-wrap film includes at least one air supply unit; a conveyor; and a heat shroud spaced from the conveyor. The air supply unit includes a source of heated air, a fan, a heated air plenum, air ducts, and a return air plenum. Multiple air supply units can be provided along the conveyor to create a heat tunnel of desired length.
    Type: Application
    Filed: September 17, 2007
    Publication date: April 24, 2008
    Inventors: Bradley VanderTuin, Richard Schoeneck, Irvan Pazdernik, Bruce Peterson, Paul Wagner
  • Heat tunnel for film shrinking
    Publication number: 20060266006
    Abstract: A heat tunnel for applying heated air to articles enclosed in shrink-wrap film includes at least one air supply unit; a conveyor; and a heat shroud spaced from the conveyor. The air supply unit includes a source of heated air, a fan, a heated air plenum, air ducts, and a return air plenum. Multiple air supply units can be provided along the conveyor to create a heat tunnel of desired length.
    Type: Application
    Filed: July 31, 2006
    Publication date: November 30, 2006
    Applicant: Douglas Machine Inc.
    Inventors: Bradley VanderTuin, Richard Schoeneck, Irvan Pazdernik, Bruce Peterson, Paul Wagner