Patents by Inventor Mario Dube

Mario Dube 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).

  • Thermal cutting torch
    Patent number: 4767102
    Abstract: A hand-held thermal cutting torch of the plasma arc or oxyfuel type commonly used for cutting metal workpieces such as steel plates, employs a new concept of motorized driving to provide more uniform cutting rates and improved quality of cut. A driving element coaxially surrounding the cutting torch nozzle includes an annular surface for engagement with a template guide surface, the driving element being rotatably mounted and driven from an electric motor that is carried in the handle of the cutting torch.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: August 30, 1988
    Assignee: Bombardier Inc.
    Inventor: Mario Dube