Patents by Inventor Henning Larsen

Henning Larsen 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 and apparatus for counter-gravity casting of metal
    Patent number: 6467532
    Abstract: When casting e.g. aluminium alloy in a mould (2), that may be one of a string of moulds extending at right angles to the plane of the drawing, the pressure used for filling the mould (2) against gravity by a pressurizing device (4) is controlled according to a predetermined pressure/time programme having previously been read into a control unit (22), e.g. a digital computer, at least one of a number of sensors sensing pressure (8), levels (9,10) and full level (11) being used to supply inputs to the control unit (22). Sensors are chosen according to need for each particular casting programme.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: October 22, 2002
    Assignee: Georg Fischer Disa A/S
    Inventors: Henrik Klarskov Andersen, Kaj J. Jensen, Henning Larsen