Patents by Inventor C. Jack Hart

C. Jack Hart 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).

  • Apparatus and process for carbon black production
    Patent number: 4643880
    Abstract: An air distributor for carbon black reactor in which the air is brought radially inwardly toward the reactor axis is disclosed in which the incoming air is diverted in an upstream direction and flowed around the end of and into a tubular member to achieve distribution.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: February 17, 1987
    Assignee: Phillips Petroleum Company
    Inventors: William R. King, C. Jack Hart
  • Process for producing carbon black
    Patent number: 4601892
    Abstract: A generally cylindrical carbon black reactor for the production of soft carbon blacks is modified to produce a wider range of products by the installation of a choke.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: July 22, 1986
    Assignee: Phillips Petroleum Company
    Inventors: C. Jack Hart, Lawrence K. Murray, David L. Rogers, Richard T. Divis