Patents by Inventor Doyle Boese

Doyle Boese 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).

  • Lubricating oil compositions
    Patent number: 11034912
    Abstract: A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected, boosted, spark-ignited internal combustion engine that, in operation, generates a break mean effective pressure level of greater than about 15 bar, at an engine speed of from about 1500 to about 2500 rotations per minute (rpm), in which the crankcase of the engine is lubricated with a lubricating oil composition containing at least about 0.2 mass % of magnesium sulfated ash.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: June 15, 2021
    Inventors: Andrew J. D. Ritchie, Doyle Boese, Jose A. Gutierrez
  • LUBRICATING OIL COMPOSITIONS
    Publication number: 20150307802
    Abstract: A method of preventing or reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a direct-injected, boosted, spark-ignited internal combustion engine that, in operation, generates a break mean effective pressure level of greater than about 15 bar, at an engine speed of from about 1500 to about 2500 rotations per minute (rpm), in which the crankcase of the engine is lubricated with a lubricating oil composition containing at least about 0.2 mass % of magnesium sulfated ash.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 29, 2015
    Applicant: Infineum International Limited
    Inventors: Andrew J. D. Ritchie, Doyle Boese, Jose A. Gutierrez