Patents by Inventor Stewart F. Miller

Stewart F. Miller 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).

  • High production serrator
    Patent number: 4426893
    Abstract: A machine for serrating the flanks of the teeth of a gear-like tool for shaving gears in which a generating, relative motion equivalent to rolling the tool on a rack is provided and in which one of a plurality of serrating tools are positioned for cutting serrations in the flanks of the teeth.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: January 24, 1984
    Assignee: Lear Siegler, Inc.
    Inventor: Stewart F. Miller
  • Broach
    Patent number: 4111586
    Abstract: A tension broach comprising a drawbar, a roughing shell on said bar, a finishing shell on said drawbar, said drawbar supporting said roughing shell against axial movement and limiting rotational movement thereon, said drawbar supporting said finishing shell against axial movement, and means for locating said finishing shell in angular alignment with said roughing shell with provision for slight angular movement.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: September 5, 1978
    Assignee: Lear Siegler, Inc.
    Inventors: Eugene J. Bistrick, Stewart F. Miller, Axel B. Abrahamsson, Richard A. Schlaf