Patents by Inventor Dennis L. Malandro

Dennis L. Malandro 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).

  • EGR equipped diesel engines and lubricating oil compositions
    Patent number: 8741824
    Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines, particularly heavy duty diesel engines, equipped with EGR systems, particularly EGR systems operating in a condensing mode, can be ameliorated by addition of a phenylenediamine compound.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: June 3, 2014
    Assignee: Infineum International Limited
    Inventors: Dennis L. Malandro, Michael L. Alessi