Patents by Inventor Jule Conner

Jule Conner 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 torch having extended nozzle of substantially hourglass
    Patent number: 5013885
    Abstract: A nozzle for use with a plasma arc torch having a first gas flow within the nozzle for engaging an electrode and generating a plasma and a second gas flow in surrounding engagement to the outer surface of the nozzle is disclosed. The nozzle includes an outer surface of substantially hourglass configuration in longitudinal cross-section so that the second gas remains in close contact with the outer hourglass surface of the nozzle to provide efficient heat transfer from the nozzle to the surrounding second gas flow.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: May 7, 1991
    Assignee: ESAB Welding Products, Inc.
    Inventors: Donald W. Carkhuff, Jeffrey S. Everett, Jule Conner