Patents by Inventor Peter Allen Angevine

Peter Allen Angevine 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).

  • Process for recovery of alumina-cryolite waste in aluminum production
    Patent number: 4053375
    Abstract: Alumina-cryolite waste from aluminum pot lines is subjected to oxidation in a fluidized bed reactor to remove carbon and organic contamination. Agglomeration of the alumina-cryolite product occurs in the fluidized bed and a pellet product suitable for return to the aluminum pot lines is produced.
    Type: Grant
    Filed: July 16, 1976
    Date of Patent: October 11, 1977
    Assignee: Dorr-Oliver Incorporated
    Inventors: Elliott J. Roberts, Stanley Bunk, Peter Allen Angevine