Patents by Inventor Klaus-Georg Hackman

Klaus-Georg Hackman 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 and apparatus for puffing tobacco
    Patent number: 4766912
    Abstract: Fragments of tobacco ribs are puffed in an elongated tunnel which is vibrated to advance the particles from the inlet toward the outlet. The particles in the tunnel are contacted by streamlets of supersaturated or superheated steam at such temperature and pressure that the temperature of the particles is raised to between 100.5.degree. and 120.degree. C. To this end, steam is admitted at 2.5 to 25 bar absolute pressure and at a temperature of between 126.degree. and 400.degree. C. The thus heated particles of tobacco ribs are thereupon dried.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: August 30, 1988
    Assignee: Korber AG
    Inventors: Klaus-Georg Hackman, Reinhard Liebe, Enno Freesemann, Willi Thiele, Waldemar Wochnowski