Patents by Inventor David E. Tabbert

David E. Tabbert 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: 8522925
    Abstract: An engine oil filtration system including a pump operable to provide pressurized oil to the system is provided. A filter is in pressurized fluid communication with the pump and an engine lubrication network is in pressurized fluid communication with both the filter and an inlet of a balance shaft module. The balance shaft module also includes an outlet in pressurized fluid communication with the oil pump so that contaminated, pressurized oil may flow from the balance shaft module to the pump and filter for cleaning before being recycled to the engine's lubrication network.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: September 3, 2013
    Assignee: Metaldyne Company LLC
    Inventors: Steven J. Chevalier, David E. Tabbert