Patents by Inventor William J. G. Blackburn

William J. G. Blackburn 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).

  • Methods of forming angled end bearing liners
    Patent number: 4180895
    Abstract: Bearing bushes are made in groups or pairs by progressive press tooling so that at each stroke of the press a group or pair of bushes is produced. The bushes may have at least one end which lies in a plane inclined to the longitudinal axis of the bush, and this is effected by providing the bush blank in the flat with a sinusoidal boundary line.
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: January 1, 1980
    Assignee: Vandervell Products Limited
    Inventors: Roger H. Spikes, William J. G. Blackburn