Patents by Inventor Joseph A. Wajtkowicz

Joseph A. Wajtkowicz 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).

  • Cutting-torch holder
    Patent number: 4333636
    Abstract: Apparatus for automatically maintaining a cutting torch a predetermined distance from an uneven work surface having transverse and longitudinal irregularities includes a slide member which is adapted to move in a vertical direction in response to such irregularities and is pivotally attached to a support arm, roller means ride on and traverse the uneven work surface, the support arm is attached to the roller means and a cutter torch is fixed in a holder vertically, adjustably attached to the support arm.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: June 8, 1982
    Assignee: Bethlehem Steel Corporation
    Inventor: Joseph A. Wajtkowicz