Patents by Inventor Peter R. Schaefer

Peter R. Schaefer 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: 4315126
    Abstract: An arc cutting and gouging torch in combination with nozzle assemblies for suspending a carbon electrode and discharging a combined air stream relative to the carbon electrode centerline. The nozzle assemblies include exit orifices which are disposed in a non-parallel alignment relative to one another and the electrode to cause the air jet discharged from each exit orifice to merge at a location upstream of the arc and substantially about the centerline of the electrode.
    Type: Grant
    Filed: May 29, 1980
    Date of Patent: February 9, 1982
    Assignee: Union Carbide Corporation
    Inventors: Peter R. Schaefer, Donald W. Carkhuff