Patents by Inventor Barry T. Aher

Barry T. Aher 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).

  • Plasma arc cutting and welding tip
    Patent number: 5266776
    Abstract: A plasma arc cutting tip is provided having chamfer tip edge so that it can be easily moved and dragged across a workpiece for drag cutting and having counterbored plasma arc exit orifice which keeps the exit orifice off the workpiece so that the tip can tolerate plasma arc deflection without suffering tip damage or tip failure.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: November 30, 1993
    Assignee: Thermal Dynamics Corporation
    Inventors: John A. Boisvert, Barry T. Aher