Patents by Inventor John E. Gillett

John E. Gillett 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).

  • Coating of solids
    Patent number: 4398493
    Abstract: A process wherein solid particles are coated with either liquids or solids while the particles are moving as a uniform layer over the surface of a rotating body and subsequently discharged from the surface by centrifugal force. Two forms of coating apparatus designed to coat prills are shown, the preferred apparatus having a flexible conical disc carrying a layer of existing material which touches the rim of the rotating body from which the solid is discharged.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: August 16, 1983
    Assignee: Imperial Chemical Industries PLC
    Inventors: John E. Gillett, John Isherwood, Richard A. Hann, Philip Norton-Berry, Margaret L. Steel
  • Coating of solids
    Patent number: 4318941
    Abstract: A process wherein solid particles are coated with either liquids or solids while the particles are moving as a uniform layer over the surface of a rotating body and subsequently discharged from the surface by centrifugal force. Two forms of coating apparatus designed to coat prills are shown, the preferred apparatus having a flexible conical disc carrying a layer of existing material which touches the rim of the rotating body from which the solid is discharged.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: March 9, 1982
    Assignee: Imperial Chemical Industries Limited
    Inventors: John E. Gillett, John Isherwood, Richard A. Hann, Philip Norton-Berry, Margaret L. Steel