Patents by Inventor Malcolm James Couper

Malcolm James Couper 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).

  • FOUNDRY ALLOY
    Publication number: 20020155023
    Abstract: An aluminium-based alloy having 6.5-7.5 wt. % silicon and 0.35-0.50 wt. % magnesium as the major alloying elements and a method of manufacturing an article from the alloy are disclosed. The alloy is characterised by a microstructure in which &bgr; phase (Al5SiFe) that forms during heat treatment as a transformation product of &pgr; phase (Al8Si6Mg3Fe) is the sole or predominant iron-containing phase in the alloy.
    Type: Application
    Filed: November 18, 1999
    Publication date: October 24, 2002
    Inventors: JOSEPH GIOVANNI BARRESI, MALCOLM JAMES COUPER, DAVID HENRY ST. JOHN, GEOFFREY ALAN EDWARDS, HAO WANG
  • 6XXX series aluminium alloy
    Patent number: 6364969
    Abstract: A 6XXX series aluminium alloy containing Mg and Si is disclosed. The 6XXX series aluminium alloy is characterized in that the Mg and Si that is available to form MgSi precipitates is present in amounts such that the ratio of Mg:Si, on an atomic weight basis, is between 0.8:1 and 1.2:1.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: April 2, 2002
    Inventor: Malcolm James Couper