Patents by Inventor Agner R. Gregersen

Agner R. Gregersen 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).

  • Device for die-casting of concrete goods such as block stones in a cellular mould
    Patent number: 4959003
    Abstract: A system for die casting of concrete goods such as block stones comprises a cellular casting mould having a plurality of cells and a device for supplying concrete for filling the cells. A dolly including a common base member with protruding pistion portions having load plates of a shape corresponding to that of the cells, is used for compressing the concrete in the cells. Each of the piston portions includes a resilient compressible material arranged between the load plates and the common base member for obtaining uniform density and strength in the goods in the respective cells.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: September 25, 1990
    Assignee: KVM Industrimaskiner A/S
    Inventor: Agner R. Gregersen