Patents by Inventor Deborah Ann Langer

Deborah Ann Langer 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).

  • Process for reducing pollutants from the exhaust of a diesel engine
    Patent number: 7028468
    Abstract: This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an oxidation catalyst.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: April 18, 2006
    Assignee: The Lubrizol Corporation
    Inventors: Kevin Francis Brown, Deborah Ann Langer, David Duncan
  • Process for reducing pollutants from the exhaust of a diesel engine
    Publication number: 20030167758
    Abstract: This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an oxidation catalyst.
    Type: Application
    Filed: April 7, 2003
    Publication date: September 11, 2003
    Inventors: Kevin Francis Brown, Deborah Ann Langer, David Duncan
  • Process for reducing pollutants from the exhaust of a diesel engine
    Patent number: 6606856
    Abstract: This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an oxidation catalyst.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: August 19, 2003
    Assignee: The Lubrizol Corporation
    Inventors: Kevin Francis Brown, Deborah Ann Langer, David Duncan