Patents by Inventor Norman H. Parsons

Norman H. Parsons 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).

  • Air gage assembly
    Patent number: 4704896
    Abstract: An air gage assembly for testing for the presence of threads in holes in a workpiece or for the presence of the holes per se. The assembly includes a hollow housing open at one end and closed at the other end; an elongated probe assembly; means pivotally mounting the probe assembly in the housing in a location intermediate the ends of the probe assembly with one free end of the probe assembly positioned within the hollow of the housing and the other free end positioned outside of the housing; means for supplying air to the hollow of the housing; and means for passing the air centrally through the probe assembly for discharge through the other free end of the probe assembly and against the threaded or unthreaded wall of the hole to be tested.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: November 10, 1987
    Assignee: D-Tec, Inc.
    Inventor: Norman H. Parsons