Patents by Inventor Joseph MacCraven

Joseph MacCraven 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).

  • Method for improved heat treatment of elongated aluminum alloy materials
    Patent number: 4437904
    Abstract: A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished either by adding a heated storage chamber (41) holding a great length of wire (24) in sequence with conventional or modified annealing apparatus, or by substitution of a special apparatus (100) for the existing conventional annealing apparatus.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: March 20, 1984
    Assignee: Southwire Company
    Inventor: Joseph MacCraven
  • Apparatus for improved heat treatment of elongated aluminum alloy materials
    Patent number: 4431168
    Abstract: A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished either by adding a heated storage chamber (41) holding a great length of wire (24) in sequence with conventional or modified annealing apparatus, or by substitution of a special apparatus (100) for the existing conventional annealing apparatus.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: February 14, 1984
    Assignee: Southwire Company
    Inventor: Joseph MacCraven