Patents by Inventor Peter J. Cambourelis

Peter J. Cambourelis 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).

  • Air screw classifier
    Patent number: 4107034
    Abstract: An air classifier system for separating mixed materials and comprising the combination of a horizontal drum or tunnel having a feed screw therein at one end of which mixed materials are deposited for movement toward the discharge end of the drum, and means for directing a flow of air through the drum at relatively high velocity for entraining and removing light materials from the drum while permitting heavy materials to be independently moved out of the drum by the screw.
    Type: Grant
    Filed: October 1, 1976
    Date of Patent: August 15, 1978
    Assignee: Raytheon Company
    Inventors: Malcolm M. Paterson, Michael R. Grubbs, Peter J. Cambourelis, Vernon L. Schrimper