Patents by Inventor Stephen P. Rowan

Stephen P. Rowan 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).

  • Continuous process for making an aqueous hydrocarbon fuel emulsions
    Patent number: 6827749
    Abstract: An aqueous hydrocarbon fuel is produced by a batch or continuous process. The process employs a reactant emulsion as a starting component with a hydrocarbon fuel, emulsifier and water. The resulting aqueous hydrocarbon fuel emulsion has improved stability.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: December 7, 2004
    Assignee: The Lubrizol Corporation
    Inventors: David L. Westfall, John J. Mullay, Stephen P. Rowan
  • Continuous process for making an aqueous hydrocarbon fuel emulsion
    Publication number: 20040111956
    Abstract: An aqueous hydrocarbon fuel is produced by a batch or continuous process. The process employs a reactant emulsion as a starting component with a hydrocarbon fuel, emulsifier and water. The resulting aqueous hydrocarbon fuel emulsion has improved stability.
    Type: Application
    Filed: November 21, 2003
    Publication date: June 17, 2004
    Inventors: David L. Westfall, John J. Mullay, Stephen P. Rowan
  • Continuous process for making an aqueous hydrocarbon fuel emulsion
    Publication number: 20020116868
    Abstract: An aqueous hydrocarbon fuel is produced by a batch or continuous process. The process employs a reactant emulsion as a starting component with a hydrocarbon fuel, emulsifier and water. The resulting aqueous hydrocarbon fuel emulsion has improved stability.
    Type: Application
    Filed: February 5, 2002
    Publication date: August 29, 2002
    Applicant: The Lubrizol Corporation, a corporation of the state of Ohio
    Inventors: David L. Westfall, John J. Mullay, Stephen P. Rowan