Patents by Inventor Gerard Keenan

Gerard Keenan 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).

  • Publication number: 20110281016
    Abstract: A prepared feed for a ruminant is produced by mixing a plurality of ingredients, at least one of which is a forage material. At least some of the forage material acts to enhance digestion of the prepared feed by the ruminant. The digestion enhancing forage material typically comprises one or more of hay, straw, silage and other stalky material, and constitutes in the range of I00 gms to 550 gms per kg prepared feed. The digestion enhancing forage material of the prepared feed comprises fibres of length in the range of 30 mm to 50 mm and has a primary saturation extent in the range of the order of 680 mls to 820 mls water per litre of digestion enhancing forage material, an uncompressed specific gravity of the order of I 00 gms to 220 gms per litre and a first compression specific gravity of the order of 140 gms to 290 gms per litre and a second compression specific gravity of the order of 150 gms to 500 gms per litre.
    Type: Application
    Filed: May 27, 2009
    Publication date: November 17, 2011
    Applicant: SALFORD ENGINEERING LIMITED
    Inventors: David Ellison Beever, Anthony Charles Hall, Gerard Keenan, John Joseph McCurdy
  • Patent number: 6499493
    Abstract: A washed sand drying and handling plant (100) includes a belt feed hopper (1), a conveyor belt (2), a sand rinsing unit (3), a dewatering apparatus (4), a radial conveyor (5) and a sand drying and handling apparatus (6). The sand drying and handling apparatus (6) includes four vesssels or tanks (7). Each tank (7) is generally cylindrically shaped and has a cone-shaped base. Sand is held in the tanks (7) for a predetermined amount of time sufficient to allow the sand to dry to the desired level by gravity.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: December 31, 2002
    Inventor: Kevin Gerard Keenan
  • Patent number: D387465
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: December 9, 1997
    Inventors: Robert Copland, Brett Kostka, Gerard Keenan, Egils Vindedzis