Patents by Inventor James H. Mackey

James H. Mackey 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 treating fibrous material
    Patent number: 5040270
    Abstract: A method for treating fibrous material containing matter to be separated therefrom, the method including the steps of passing fibrous material containing the matter and having a given temperature along a path of travel in a fluid stream; and directing a jet of fluid, having a temperature substantially greater than that of the fibrous material and matter, onto the fibrous material and matter to release the matter from the fibrous material.An apparatus for treating fibrous material containing matter to be separated, the apparatus having a housing with a path of fluid movement therethrough; a system for passing fibrous material containing the matter to be separated along the path through the housing; and a system for discharging a gas, having a temperature substantially greater than that of the fibrous material and matter, onto the fibrous material and matter during passing thereof along the path to release the matter from the fibrous material.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: August 20, 1991
    Assignee: J. G. Boswell Company
    Inventor: James H. Mackey