Patents by Inventor Martin Heinze

Martin Heinze 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).

  • AA6000 aluminum sheet method
    Patent number: 6652678
    Abstract: A method of converting an ingot of a 6000 series aluminium alloy to self-annealing sheet, comprises subjecting the ingot to a two-stage homogenisation treatment, first at at least 560° C. and then at 450° C. to 480° C., then hot rolling the homogenised ingot at a starting hot roll temperature of 450° C. to 480° C. and a finishing hot roll temperature of 320° C. to 360° C. The resulting hot rolled sheet has an unusually low Cube recrystallisation component.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: November 25, 2003
    Assignee: Alcan International Limited
    Inventors: Graeme John Marshall, Karl Albert Herbst, Martin Heinze, Richard Hamerton
  • Camera shutter
    Patent number: 4110764
    Abstract: Camera shutter having at least two hinged iris leaves, each leaf having a control lever, a push rod joining the control levers, a magnetic actuator operating on the push rod.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: August 29, 1978
    Inventors: Martin Heinze, Walter Heinze