Patents by Inventor Randal Alan Schroeder

Randal Alan Schroeder 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).

  • Patent number: 8621884
    Abstract: Embodiments of the invention provide an air conditioning unit that includes an intake vent, an exhaust vent, a return vent, a supply vent, and an economizer assembly including a sliding damper and a partition. The partition includes an opening through which air can flow from the return vent to the supply vent during a mechanical cooling mode. The sliding damper includes a vertical panel capable of moving vertically to close the intake vent and the exhaust vent during the mechanical cooling mode and an angled panel capable of closing the opening in the partition in order to enter an economizer mode.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: January 7, 2014
    Assignee: Hoffman Enclosures, Inc.
    Inventors: Scott Dean Stammer, Randal Alan Schroeder
  • Publication number: 20100126208
    Abstract: Embodiments of the invention provide an air conditioning unit that includes an intake vent, an exhaust vent, a return vent, a supply vent, and an economizer assembly including a sliding damper and a partition. The partition includes an opening through which air can flow from the return vent to the supply vent during a mechanical cooling mode. The sliding damper includes a vertical panel capable of moving vertically to close the intake vent and the exhaust vent during the mechanical cooling mode and an angled panel capable of closing the opening in the partition in order to enter an economizer mode.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 27, 2010
    Inventors: Scott Dean Stammer, Randal Alan Schroeder