Patents by Inventor Charles A. Gahres

Charles A. Gahres 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).

  • Particulate material handling means
    Patent number: 4381082
    Abstract: Apparatus for liberating particulate material from a compressed bale and feeding the liberated material at a controlled rate to a processing station comprises a screw conveyor and means for compacting the particulate material against the conveyor screw.
    Type: Grant
    Filed: December 19, 1980
    Date of Patent: April 26, 1983
    Assignee: FMC Corporation
    Inventors: Donald Elliott, Charles A. Gahres, Dorsey C. Nelson