Patents by Inventor Roger Don Self

Roger Don Self 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 loading a container with a product
    Patent number: 7661447
    Abstract: There is provided a method of loading a container with a defined quantity of product comprising closing off a perforation in a perforated plate; directing powder into the closed-off perforation by the sweeping action of a first director blade spaced from said perforated plate; and transferring the contents of the perforation to said container. The method is characterized by relative rotary motion of the perforated plate and said first director blade. Suitable apparatus is also provided.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: February 16, 2010
    Assignee: Glaxo Group Limited
    Inventors: Thomas William Bailey, Jeremy Keith Baker, Roger Don Self, Raymond Herbert Scherzer
  • Method and apparatus for sorting sultanas
    Patent number: 3990580
    Abstract: A sorting machine comprising a vertically inclined feed bed, a feeder for feeding objects to be sorted to an upper portion of said feed bed, the feed bed being adapted to be supplied with a fluid which fluidizes the objects thereon so that the latter flow to a lower portion of the feed bed, and a sorting arrangement which is arranged to receive the objects from the said lower portion and to separate them into groups of desired and undesired objects respectively.
    Type: Grant
    Filed: January 22, 1975
    Date of Patent: November 9, 1976
    Assignee: Gunson's Sortex Limited
    Inventor: Roger Don Self