Patents by Inventor Ian Ernest Tatham

Ian Ernest Tatham 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: 6185843
    Abstract: A pneumatic conveyance tobacco dryer which includes a conveyance duct having a first portion, a second, upwardly extending portion and a third, curved portion intercommunicating the first and second portions. A tobacco feed chute extends downwardly and opens into the second portion of the duct. The geometry of the dryer at and in the region of the feed chute is such as to effect the object of reducing the contact of tobacco particles with the inner surfaces of the conveyance duct.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: February 13, 2001
    Assignee: British American Tobacco (Investments) Limited
    Inventors: William John Stone, Ian Ernest Tatham, Werner Hirsch, Arno Eugen Weiss
  • Patent number: 5853082
    Abstract: Particulate tobacco is conveyed by a conveyor comprising a resiliently mounted conveyor tray and out-of-balance motors mounted to the tray. An index of performance of, for example ##EQU1## is achievable.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: December 29, 1998
    Assignee: British-American Tobacco Company Limited
    Inventors: Peter James Buckley, Barbara Carol Klammer, Ian Ernest Tatham