Patents by Inventor Brian T. Richards

Brian T. Richards 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: 4778364
    Abstract: In the manufacture of a foamed confection such as foamed chocolate, a confection in liquid form is mixed with carbon dioxide under pressure. The mixture is discharged from the depositor through annular outlet orifices which are opened and closed in turn by associated valves so that at any one time some of the orifices are discharging the mixture, and the number of orifices which are closed does not vary. Each annular orifice has a length which is not greater than its diameter. Each valve has an annular valve seat and a valve member movable into and out of engagement with the valve seat.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: October 18, 1988
    Assignee: Cadbury Limited
    Inventor: Brian T. Richards
  • Patent number: 4637788
    Abstract: In the manufacture of a foamed confection such as foamed chocolate, a confection in liquid form is mixed with carbon dioxide under pressure and passed still under pressure to a depositor. The mixture is discharged from the depositor through annular outlet orifices which are opened and closed in turn by associated valves so that at any one time some of the orifices are discharging the mixture, and the number of orifices which are closed does not vary. Each annular orifice has a length which is not greater than its diameter. Each valve has an annular valve seat and a valve member movable into and out of engagement with the valve seat.
    Type: Grant
    Filed: October 5, 1983
    Date of Patent: January 20, 1987
    Assignee: Cadbury Limited
    Inventor: Brian T. Richards