Patents by Inventor Ian T. Graham

Ian T. Graham 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: 5153991
    Abstract: A method of manufacturing a bearing is described, the method comprising the steps of preparing a flat blank having a steel backing layer and a bearing alloy lining, the blank having an area corresponding to the projected surface area of the bearing, the flat blank also having required bearing features such as oil holes, grooves, and end-face chamfers and forming the flat blank directly into an associated bearing housing. The thickness of the flat blank should lie in the range from 0.25 to 0.75 mm. The blank may correspond in major dimension to a half bearing or to a full cylindrical bush.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: October 13, 1992
    Assignee: The Glacier Metal Company Limited
    Inventors: Eric W. Dickson, Ian T. Graham