Patents by Inventor Jerry L. Robbins

Jerry L. Robbins 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: 4489988
    Abstract: An apparatus for providing a sealed trailer wheel assembly is disclosed which includes a waterproof cap sealing the outside of the wheel hub, an air housing providing a substantial enclosure of the space between the inside of the hub and the axle, and an air compressor supplying pressurized air to the enclosure at a rate sufficient to prevent water, sand or other materials from entering into the enclosure and thereby into the location of the wheel bearings. A related method is also disclosed.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: December 25, 1984
    Inventor: Jerry L. Robbins