Patents by Inventor Michael J. McDavid

Michael J. McDavid 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: 5971837
    Abstract: A blasting cabinet for use in cleaning a workpiece with a dry abrasive has a horizontally arranged cylindrical housing, a hopper affixed to the lower sidewall of the housing, openings provided in the sidewall through which a user can insert his hands and can view the interior of the housing, a door at one end which covers a portion of one end of the housing, and means for establishing a lateral airflow through the housing. The blasting cabinet can also be equipped with a blasting means, such as a nozzle and associated hoses, which draws the abrasive from the hopper under a vacuum and subjects it to elevated pressure, which is then directed to the workpiece. Preferably, a retaining means is provided on the door, such as with a metal strip and external latch. Preferably, a grate for supporting the workpiece is provided inside the housing.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: October 26, 1999
    Inventor: Michael J. McDavid