Patents by Inventor Joao C. A. Gomes

Joao C. A. Gomes 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).

  • String doffer mechanism
    Patent number: 5211187
    Abstract: A mechanism for removal of contaminants from a stream of material having a plurality of rotatable cylindrical doffer elements each having flights supplied with cleaning means thereon mounted substantially parallel to one another within a frame. The mechanism is provided with means for adjusting both the positions along the frame of the doffer elements as well as the vertical elevation of the doffer elements with respect to the frame.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: May 18, 1993
    Assignee: Philip Morris Incorporated
    Inventors: George S. Boswell, Joao C. A. Gomes, Joseph P. Maciejczyk