Patents by Inventor Arno Eugen Weiss

Arno Eugen Weiss 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).

  • Tobacco dryers
    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