Patents by Inventor Pierre Debrois

Pierre Debrois 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).

  • Smoking machine
    Patent number: 5117845
    Abstract: A smoking machine includes, for controlling the conditions in which each article to be smoked is smoked, only a servo-control device for controlling, to a reference value, the pressure difference between the suction end and the rest of the body of the cigarette. The support of each article is mounted for rotating so as to allow, for example, more accurate detection of the position of the incandescent zone by optical sensors and a processing circuit.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: June 2, 1992
    Assignee: Societe Nationale d'Exploitation Industrielle des Tabacs et Allumettes
    Inventors: Jean-Remi Poulet, Alain Rousseau, Pierre Debrois
  • Method for manufacturing filter-tipped cigarettes
    Patent number: 4237908
    Abstract: A method for manufacturing filter-tipped cigarettes, in which a band is wound on the end of the cylinder of tobacco and on the filter tip so as to encircle them and connect them together, wherein, on the path followed by the paper serving to constitute the band before winding and connection, the paper is slit longitudinally and the two edges of the slit are spaced apart in the direction of the longitudinal axis of the cigarette, as a function of the desired rate of dilution of the smoke.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: December 9, 1980
    Assignee: Service d'Exploitation Industrielle des Tabacs et des Allumettes
    Inventor: Pierre Debrois