Patents by Inventor David M. Human

David M. Human 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: 8006652
    Abstract: An emissions control system for the after treatment of a fuel combustion process exhaust stream includes an exhaust passageway. The exhaust passageway allows for passage of an exhaust stream containing exhaust byproducts from the combustion of a fuel that includes a manganese compound. The exhaust stream includes a manganese compound which complexes with at least one of the exhaust byproducts.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: August 30, 2011
    Assignee: Afton Chemical Intangibles LLC
    Inventors: Gregory H. Guinther, Joseph W. Roos, David M. Human, Scott D. Schwab
  • Patent number: 7332001
    Abstract: A method of enhancing the operation of diesel fuel combustion systems in a combustion system includes supplying a fuel and additive that includes a manganese compound to a diesel fuel combustion system. The fuel is then combusted in the combustion chamber to produce at least one byproduct including the manganese compound. The manganese compound is supplied in an amount effective to complex with the combustion byproduct. The diesel fuel combustion system operation is enhanced by improving the attributes of lubricating oil loaded with the combustion byproduct soot particles.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: February 19, 2008
    Assignee: Afton Chemical Corporation
    Inventors: Gregory H. Guinther, Mark T. Devlin, Joseph W. Roos, David M. Human
  • Patent number: 6971337
    Abstract: An emissions control system for the after treatment of a fuel combustion process exhaust stream includes an exhaust passageway. The exhaust passageway allows for passage of an exhaust stream containing exhaust byproducts from the combustion of a fuel that includes a manganese compound. The exhaust stream includes a manganese compound which complexes with at least one of the exhaust byproducts.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: December 6, 2005
    Assignee: Ethyl Corporation
    Inventors: Gregory H. Guinther, Joseph W. Roos, David M. Human, Scott D. Schwab
  • Publication number: 20040074452
    Abstract: An emissions control system for the after treatment of a fuel combustion process exhaust stream includes an exhaust passageway. The exhaust passageway allows for passage of an exhaust stream containing exhaust byproducts from the combustion of a fuel that includes a manganese compound. The exhaust stream includes a manganese compound which complexes with at least one of the exhaust byproducts.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventors: Gregory H. Guinther, Joseph W. Roos, David M. Human, Scott D. Schwab
  • Publication number: 20040074230
    Abstract: A method of reducing the negative effects of accumulation of ash in a diesel fuel combustion system includes supplying a diesel fuel having an additive that includes a manganese compound to a diesel fuel combustion system. The combustion system includes a catalyzed diesel particulate filter or, alternatively, a continuously regenerating technology diesel particulate filter. The fuel is then combusted in the combustion system to product at least one byproduct that includes the manganese compound. The manganese compound is supplied in an amount effective to complex with the combustion byproduct.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventors: Gregory H. Guinther, Joseph W. Roos, David M. Human, Scott D. Schwab
  • Publication number: 20040074140
    Abstract: A method of enhancing the operation of an emission after treatment system in a combustion system includes supplying a fuel and additive that includes a manganese compound to a combustion system. The fuel is then combusted in the combustion chamber to produce at least one byproduct including the manganese compound. The manganese compound is supplied in an amount effective to complex with the combustion byproduct. The combustion system may include a catalyzed, or alternatively, a continuously regenerating technology, diesel particulate filter.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 22, 2004
    Inventors: Gregory H. Guinther, Joseph W. Roos, David M. Human, Scott D. Schwab
  • Patent number: 5109710
    Abstract: An injector port assembly for direct injection of a solid filter test sample for gas chromatography analysis comprising and elongated thermally conductive injector tube having a perforated sample holding portion, and an injection port having a sealable entry opening into which the elongated injector tube is moveably inserted, a hot zone, a cool zone thermally insulated from the hot zone, a purge valve and a conduit for connecting said injection port in fluid communication with a gas chromatography column.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: May 5, 1992
    Assignee: Southwest Research Institute
    Inventors: Matthew S. Newkirk, David M. Human