Patents by Inventor David J. Hammonds

David J. Hammonds 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).

  • Carbon black burner
    Patent number: 4726934
    Abstract: An improved carbon black burner for producing a carbon black with reduced grit content wherein feedstock oil is introduced radially into an atomizing fluid conduit through ports located proximate the discharge orifice of the burner.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: February 23, 1988
    Assignee: Cabot Corporation
    Inventors: Barrie J. Yates, Alan J. Austin, David J. Hammonds