Patents by Inventor Reinhard Hillmann

Reinhard Hillmann 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).

  • Sealed antifriction bearing with sealing element
    Patent number: 4118080
    Abstract: An antifriction bearing has an inner race with a radially outward extending flange, an outer race, and rolling elements between the inner and outer races. The surface of the outer race toward the flange has a sealing lip, and an annular flexible resilient sealing element engages the lip and extends into sliding contact with the flange. The sealing element is held in place by a cylindrical casing radially surrounding the sealing element, the casing extending axially to form a narrow gap with the flange.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: October 3, 1978
    Assignee: SKF Industries, Inc.
    Inventors: Helmuth Kregler, Reinhard Hillmann