Patents by Inventor Everett C. Cogbill

Everett C. Cogbill 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).

  • Patent number: 4505282
    Abstract: This invention relates to an innerliner wrap for a tobacco smoking article comprising a combustible porous sheet of cellulosic fibers and finely pulverized porous carbon particles coated with calcium citrate, and a smoking article comprising a tobacco filler, an innerliner wrap encasing said filler, and an outer wrap over said innerliner wrap, said innerliner wrap comprising a combustible porous sheet of cellulosic fibers and finely pulverized porous carbon particles coated with calcium citrate.
    Type: Grant
    Filed: May 10, 1983
    Date of Patent: March 19, 1985
    Assignee: American Brands, Inc.
    Inventors: Everett C. Cogbill, Robert S. Sprinkle, III
  • 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
  • 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