Patents by Inventor Stanley M. Howard

Stanley M. Howard 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).

  • Boron-copper-magnesium-tin alloy and method for making same
    Patent number: 6231700
    Abstract: A high strength, highly electrically conductive copper-based alloy and method for producing the alloy are provided, with the alloy containing boron in the range of 0.0-2.9 at. %, magnesium in a range of about 2.8-7.6 at. %, tin in a range of about 2.1-4.3 at. %, and the balance copper and unavoidable impurities. The method for producing the high-strength, highly conductive alloy includes solution heat treating or annealing the material to dissolve the solute elements into a solid solution including the copper, rapidly quenching the material to freeze the solute elements in solid solution, and aging the material at a temperature in a range of about 400-475° C. to precipitation harden the alloy material.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: May 15, 2001
    Assignee: South Dakota School of Mines and Technology
    Inventors: Glen A. Stone, Stanley M. Howard
  • Boron-copper-magnesium-tin alloy and method for making same
    Patent number: 6074499
    Abstract: A high strength, highly electrically conductive copper-based alloy and method for producing the alloy are provided, with the alloy containing boron in the range of 0.0-2.9 at. %, magnesium in a range of about 2.8-7.6 at. %, tin in a range of about 2.1-4.3 at. %, and the balance copper and unavoidable impurities. The method for producing the high-strength, highly conductive alloy includes solution heat treating or annealing the material to dissolve the solute elements into a solid solution including the copper, rapidly quenching the material to freeze the solute elements in solid solution, and aging the material at a temperature in a range of about 400-475.degree. C. to precipitation harden the alloy material.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: June 13, 2000
    Assignee: South Dakoga School of Mines and Technology
    Inventors: Glen A. Stone, Stanley M. Howard