Patents by Inventor John G. Callies

John G. Callies 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).

  • Crankshaft lubricating system
    Patent number: 5152373
    Abstract: A crankshaft has a lubricating system in which passages for directing lubricating oil are precisely positioned to provide lubrication into the main bearing journals in areas removed from the main bearing load area and dispense such lubricating oil through outlets in the connecting rod journals precisely positioned with respect to the maximum gas pressure load area and maximum inertia load area for each connecting rod journal.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: October 6, 1992
    Assignee: Callies Performance Products
    Inventor: John G. Callies