Patents by Inventor Ahmed Abdelgawad

Ahmed Abdelgawad 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).

  • Filter mouthpiece for a smoking article
    Patent number: 4942887
    Abstract: A filter mouthpiece for a smoking article comprises a rod end portion having a tube extending axially therethrough and a mouth end portion. The tube is open at each end and has perforations in its wall. The peripheral surface of the filter mouthpiece is rendered air permeable in at least one discrete area by means of perforations in an impermeable tipping, to admit air to the filter. When attached to a tobacco rod this filter mouthpiece provides a substantially constant dry particulate matter delivery throughout the smoking of the article.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: July 24, 1990
    Assignee: Fabriques de Tabac Reunies, S.A.
    Inventors: Ahmed Abdelgawad, Daniel Braem, Urs Nyffeler
  • Filter for a smoking article
    Patent number: 4834117
    Abstract: A filter for a smoking article comprises a mouth-end section and a rod-end section, the opposed faces of which are so shaped that, on relative rotation they perform a camming action on each other, so that a variable volume air-smoke mixing chamber is formed. Ambient air passes into the air-smoke mixing chamber through perforations 22 in the wrapping.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: May 30, 1989
    Assignee: Fabriques de Tabac Reunies, S.A.
    Inventors: Daniel Braem, Ahmed Abdelgawad
  • Ventilated cigarette
    Patent number: 4727892
    Abstract: A filter cigarette has a wrapper surrounding the filter and retaining it on the end of the tobacco rod. At least one portion of the wrapper overlying the filter and extending circumferentially at least partly around the cigarette at a distance from the mouth end is delimited by a line or lines of weakness in the wrapper and is at least partly removable to expose a portion of the surface of the filter, whereby ventilating air can pass beneath the wrapper to reach the mouth end of the cigarette.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: March 1, 1988
    Assignee: Fabriques de Tabac Reunies, S.A.
    Inventor: Ahmed Abdelgawad