Patents by Inventor James G. Jamieson

James G. Jamieson 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).

  • Patent number: 5620725
    Abstract: When dispensing carbonated beverages, particularly beers and especially draught stout, it is desirable to obtain a close-knit creamy head. To achieve this a container (1) includes a separate closed hollow insert (5) containing substantially no oxidising gas and means (6) responsive to opening of the container (1) to provide communication between the inside of the insert (5) and beverage (7) contained in the body of the container (1) upon opening it to jet gas from the insert (5) into the beverage (7). The means (6) preferably has the form of a pressure responsive valve. The insert (5) may be arranged so that its internal pressure is increased after the container (1) is sealed or the means (6) may have a different relief pressure when initially inserted into the container (1) from that upon opening the container (1).
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: April 15, 1997
    Assignees: Whitbread PLC., Heineken Technical Services B.V.
    Inventors: James G. Jamieson, David R. Maule, Mark P. Radford, Ernest J. Cameron-Price, Edward R. Costello, Peter F. Kershaw
  • Patent number: 5290574
    Abstract: When dispensing carbonated beverages, particularly beer and draught stout, it is desirable to obtain a close-knit creamy head. This contributes to a creamy taste and adds considerably to the customer appeal. To obtain this effect when dispensing from a can (1) it includes a lid (2) having a secondary compartment (4) formed on it and a non-resealable closure (3) in communication with the secondary compartment. At least one orifice (5) extends between the secondary compartment (4) and the inside of the container (1), and a liquid (8) is held in the secondary compartment. The container is arranged so that on opening of the closure (3) the pressure in the secondary compartment (4) is reduced to atmospheric with the result that gas or liquid from the main body of the container (1) is jetted through the at least one orifice (5) into the liquid (8) in the secondary compartment (4) to generate a foam in the secondary compartment.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: March 1, 1994
    Assignees: Whitbread PLC, Heineken Technical Services B.V.
    Inventors: James G. Jamieson, Mark P. Radford
  • Patent number: 5203140
    Abstract: A method of packaging a beverage container includes placing an open-topped secondary chamber with an orifice into an open container before or after the container is filled with a beverage, displacing substantially all of the oxygen from the open container and the secondary chamber, and closing the open container, thereby closing the open-top of the secondary chamber, such that the only communication between the secondary chamber and the inside of the container is via the orifice.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: April 20, 1993
    Assignees: Whitbread PLC, Heineken Technisch Beheer B.V.
    Inventor: James G. Jamieson