Patents by Inventor Paul M. Boyd

Paul M. Boyd 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).

  • Apparatus and method for reducing anhydrous ammonia application by optimizing distribution
    Patent number: 7410107
    Abstract: An apparatus, method, and system for distributing gas and/or liquid phase substance from an inlet to multiple outlets with reduced variations and distribution. The apparatus includes a body having an inlet and a plurality of outlets. In one aspect, a rotatable impeller is positioned between inlet and plurality of outlets. The impeller includes a spiral fluid pathway relative to direction of substance through the inlet so that the substance passes through the impeller and is distributed to the outlets through a spinning impeller.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: August 12, 2008
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: H. Mark Hanna, Paul M. Boyd
  • Apparatus and method for reducing anhydrous ammonia application by optimizing distribution
    Patent number: 6997400
    Abstract: An apparatus, method, and system for distributing gas and/or liquid phase substance from an inlet to multiple outlets with reduced variations and distribution. The apparatus includes a body having an inlet and a plurality of outlets. In one aspect, a rotatable impeller is positioned between inlet and plurality of outlets. The impeller includes a spiral fluid pathway relative to direction of substance through the inlet so that the substance passes through the impeller and is distributed to the outlets through a spinning impeller.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: February 14, 2006
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: H. Mark Hanna, Paul M. Boyd