Patents by Inventor Graham Aldridge

Graham Aldridge 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: 5447238
    Abstract: An apparatus for separating fiber and shiv includes a pinned metering rotor and a pinned separation rotor adapted to rotate with surfaces moving in opposite directions and having fixed bearing locations, the final separation rotor being adjacent a shroud in which are a plurality of slots, and a pinned doffer rotor rotatable in either direction and having a bearing location which is adjustable relative to the separation rotor. A shell feed structure at the intersection of the metering rotor and the separation rotor has a surface adjacent the separation rotor substantially parallel to the surface of that rotor, and a surface adjacent the metering rotor having a curvature greater than that of the metering motor.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: September 5, 1995
    Assignee: The Minister of Agriculture Fisheries and Food in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Graham Aldridge, Harry J. Gilbertson, David B. Stewart