Patents by Inventor Louis J. Bucha

Louis J. Bucha 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).

  • Roller bearing
    Patent number: 3995920
    Abstract: An improved surface for an outer race member of a roller bearing by providing an annular curved surface between the circumferential crown surface and the annular corner radius surface. This improved surface has one end thereof tangent to the crown surface and the other end thereof tangent to the corner radius surface. The center of the radii of the curve increments therebetween being on a line connecting the centers of the crown radius and the corner radius and the radii uniformly diminish from the crown radius to the corner radius.
    Type: Grant
    Filed: August 6, 1973
    Date of Patent: December 7, 1976
    Inventor: Louis J. Bucha