Patents by Inventor Charles H. Hibbitts

Charles H. Hibbitts 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).

  • Method for expanding tobacco with steam at high temperature and velocity
    Patent number: 4407306
    Abstract: A method is disclosed for drying and expanding cut tobacco by introducing the tobacco into an elongated tubular shaped conduit through which high temperature, high velocity superheated steam is recycled. The conduit has a reduced area section into which the tobacco is introduced and provision is made to allow recycle of steam and hence minimal energy consumption.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: October 4, 1983
    Assignee: American Brands, Inc.
    Inventor: Charles H. Hibbitts
  • Method and apparatus for expanding tobacco
    Patent number: 4310006
    Abstract: The invention disclosed is a method and apparatus for expanding particles of cured tobacco by means of liquid and gaseous carbon dioxide which is sprayed into a mass of the tobacco in a closed pressure vessel. The thus treated tobacco is removed from the vessel and heated such that rapid release of the carbon dioxide effects expansion of the tobacco.
    Type: Grant
    Filed: July 20, 1979
    Date of Patent: January 12, 1982
    Assignee: American Brands, Inc.
    Inventors: Charles H. Hibbitts, Byron F. Price, Everett C. Cogbill, James G. Kelly, James E. Glass
  • Method for expanding tobacco
    Patent number: 4253474
    Abstract: The invention relates to a method for expanding particles of cured tobacco by means of liquid and gaseous carbon dioxide which is sprayed into a mass of the tobacco in a closed pressure vessel. The thus treated tobacco is removed from the vessel and heated such that rapid release of the carbon dioxide effects expansion of the tobacco.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: March 3, 1981
    Assignee: American Brands, Inc.
    Inventors: Charles H. Hibbitts, Byron F. Price, Everett C. Cogbill, James G. Kelly, James E. Glass