Patents by Inventor Richard E. Hogendoorn

Richard E. Hogendoorn 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 CONTAINING ZIRCONIUM AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES
    Publication number: 20190016986
    Abstract: A lubricant composition for a direct injected, boosted, spark ignited internal combustion engine that contains at least one zirconium-containing compound is disclosed. This disclosure also relates to a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible zirconium-containing compound.
    Type: Application
    Filed: July 11, 2018
    Publication date: January 17, 2019
    Inventors: Ian G. Elliott, Richard E. Hogendoorn, Theresa Liang Gunawan, Man Hon Tsang, Richard E. Cherpeck, Amir Gamal Maria, Andrew Michael Thomas