Patents by Inventor Lloyd J. Frehse

Lloyd J. Frehse 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).

  • Magnetic wheel bearing cap
    Patent number: 4834464
    Abstract: A plug for the wheel bearing hub assembly of a truck wheel bearing. The plug is a substantially unitary article having as a part of its construction a magnetic rod which, when the plug is in place in the hub, will lie along the axis of revolution of the wheel and project towards the wheel bearing and reside in a cup-like structure which is a part of the plug. The magnetic rod serves to collect metallic particles from the bearing lubricating fluid.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 30, 1989
    Assignee: CPR Systems Inc.
    Inventor: Lloyd J. Frehse