Patents by Inventor Lawrence Joseph Cunningham

Lawrence Joseph Cunningham 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).

  • Method of improving the operation of combustion particulate filters
    Patent number: 7111591
    Abstract: A method is disclosed that improves the operation of fuel combustion systems utilizing particulate filters. The method includes the combustion of a fuel emulsion in a fuel combustion system having a particulate filter. The fuel emulsion may comprise water and a fuel with the emulsion including a metal-containing compound, such as, for example, a manganese-containing compound.
    Type: Grant
    Filed: December 10, 2003
    Date of Patent: September 26, 2006
    Assignee: Afton Chemical Corporation
    Inventors: Scott D. Schwab, Lawrence Joseph Cunningham, John D. Morris, Joel A. Evans
  • Aqueous additives in hydrocarbonaceous fuel combustion systems
    Publication number: 20030226312
    Abstract: An aqueous additive containing a metal compound is used to improve the operation of combustion exhaust after treatment systems. The additive is introduced into the combustion chamber as part of an emulsion with the fuel or, alternatively, in the emulsion or alone as an aqueous stream introduced into the exhaust or emission path. The metal compound scavenges combustion byproducts in order to protect and make more efficient the after treatment system.
    Type: Application
    Filed: June 7, 2002
    Publication date: December 11, 2003
    Inventors: Joseph W. Roos, Lawrence Joseph Cunningham, Gregory H. Guinther