Patents by Inventor Daniel D. Berns

Daniel D. Berns 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: 6966994
    Abstract: A method is provided of detecting contamination of engine fluid in an engine. Engine fluid is provided to a particle counter, and the cleanliness of the engine fluid is measured with the particle counter during operation of the engine.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: November 22, 2005
    Assignee: Caterpillar Inc
    Inventors: Daniel D. Berns, Carmen L. Rose
  • Publication number: 20020148788
    Abstract: A method is provided of detecting contamination of engine fluid in an engine. Engine fluid is provided to a particle counter, and the cleanliness of the engine fluid is measured with the particle counter during operation of the engine.
    Type: Application
    Filed: February 12, 2002
    Publication date: October 17, 2002
    Inventors: Daniel D. Berns, Carmen L. Rose