Patents by Inventor Susan Wrenn

Susan Wrenn 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).

  • Publication number: 20070267033
    Abstract: Electrically heated cigarettes used in an electrical smoking system include a flavoring-release additive and sorbent effective to remove one or more gas-phase constituents of mainstream tobacco smoke. The flavoring-release additive includes gamma cyclodextrin and at least one flavoring. Flavoring is released in a cigarette upon the flavoring-release additive reaching at least a minimum temperature during smoking. The flavoring-release additive can have various forms including, for example, powder and films.
    Type: Application
    Filed: February 6, 2007
    Publication date: November 22, 2007
    Applicant: Philip Morris USA Inc.
    Inventors: Munmaya Mishra, Susan Wrenn, Jay Fournier
  • Publication number: 20070102013
    Abstract: A tobacco mass is heated to a temperature of about 150° to about 220° C. to release flavorful tobacco volatiles, which are entrained in air passing through the tobacco mass, and condensed to form an inhalable aerosol. The tobacco mass may have a rotationally symmetric shape, with at least part of its surface in heat transfer relationship with a heater. The heater may be an external shell, an internal rod, or a plate. A shell can enclose the heater and tobacco mass and define a preheating chamber for inflowing air. A mouthpiece, with or without a filter, may be arranged in fluid communication with the tobacco mass to direct the aerosol from the heating system.
    Type: Application
    Filed: September 28, 2006
    Publication date: May 10, 2007
    Applicant: Philip Morris USA Inc.
    Inventors: John Adams, William Crowe, John Hearn, Robert Lee, Brett Stevenson, Zuyin Yang, James Baggett, John Hairfield, Steven Larson, Robert Ripley, Susan Wrenn
  • Publication number: 20060185687
    Abstract: A cigarette of an electrical smoking system includes a filter tipping including a web including added filtering material and a tubular wrapper around the web, and a tobacco rod portion adapted to generate a puff of smoke upon being heated by one or more heating elements during smoking, the tobacco rod portion being attached to the filter tipping.
    Type: Application
    Filed: December 15, 2005
    Publication date: August 24, 2006
    Inventors: John Hearn, Wesley Sanderson, Barry Smith, Susan Wrenn
  • Publication number: 20060070633
    Abstract: A heater fixture for use in an electrically heated cigarette smoking system having a source of electrical energy for heating a cigarette includes an inner wall or barrel having at least one opening through the inner wall extending from an outer peripheral surface to an inner surface of the inner wall, and at least one flow distributing element positioned within the at least one opening and extending inwardly from the inner surface. The flow distributing element or elements are provided with a plurality of openings that are in fluid communication with an interior of the heater.
    Type: Application
    Filed: November 22, 2005
    Publication date: April 6, 2006
    Inventors: Ali Rostami, Susan Wrenn