Patents by Inventor Dirk Pangritz

Dirk Pangritz 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).

  • Tobacco cartridge
    Patent number: 5713377
    Abstract: The invention relates to a coaxial tobacco cartridge with an inner core of a first tobacco blend, a sheath for the inner core, an outer jacket of a second tobacco blend, a sheath of high air permeability and an associated filter element. The coaxial tobacco cartridge is not smokable independently, but can be used by persons to make their own coaxial cigarettes, by inserting it in an appropriate cigarette-paper tube or wrapping it in a cigarette-paper strip.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: February 3, 1998
    Assignee: British-American Tobacco (Germany) GmbH
    Inventors: Guillermo Gerding, Dirk Pangritz, Werner Schneider
  • Cigarette paper
    Patent number: 4548677
    Abstract: The invention relates to a cigarette paper having the conventional burning additives and fillers containing from 20 to 50% by weight of bast fibres of fine fibrillation, with which a degree of grinding of at least 85 SR is produced. The cigarette paper produced according to this formulation has a pore structure which greatly promotes diffusion, in particular diffusion of carbon monoxide.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: October 22, 1985
    Assignee: B.A.T. Cigaretten-Fabriken GmbH
    Inventors: Werner Schneider, Dirk Pangritz, Walter Riedesser
  • Apparatus for determining the burning and/or glowing rates of a smokable article
    Patent number: 4333333
    Abstract: An apparatus is provided for determining the burning and/or glowing rate of a smokable article. The apparatus comprises a sensor for sensing the incandescent zone of the smokable article and a drive apparatus for moving the sensor along a path parallel to the direction of burning and glowing of the smokable article.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: June 8, 1982
    Assignee: B.A.T. Cigaretten-Fabriken GmbH
    Inventor: Dirk Pangritz