Patents by Inventor Brett W. Stevenson

Brett W. Stevenson 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).

  • Patent number: 6810883
    Abstract: An electrically heated cigarette smoking device includes a heater unit, heater blades for applying heat to portions of a cigarette that is supported within the heater unit, the heater unit having an opening adapted to receive an end of a cigarette and adapted to position the end of the cigarette in proximity to the heater blades, and the heater unit defining at least part of a suction flow passage through which ambient air is drawn into contact with the cigarette when a smoker draws on the cigarette positioned in the heater unit. The heater unit is mounted within a partition that positions the heater unit relative to the housing and at least partially defines a bypass flow passage in fluid communication with ambient air surrounding the housing, the partition further defining a flow diverting passage leading from the bypass flow passage to the suction flow passage and through which ambient air is drawn from the bypass flow passage when a smoker puffs on a cigarette inserted in the heater unit opening.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: November 2, 2004
    Assignee: Philip Morris USA Inc.
    Inventors: John Louis Felter, Robert E. Lee, Ashok Solanky, Clint Blake, Pamela Davis, David E. Sharpe, Mark E. Watson, Robert L. Ripley, Brett W. Stevenson, William J. Crowe
  • Publication number: 20040089314
    Abstract: An electrically heated cigarette smoking device includes a heater unit, heater blades for applying heat to portions of a cigarette that is supported within the heater unit, the heater unit having an opening adapted to receive an end of a cigarette and adapted to position the end of the cigarette in proximity to the heater blades, and the heater unit defining at least part of a suction flow passage through which ambient air is drawn into contact with the cigarette when a smoker draws on the cigarette positioned in the heater unit. The heater unit is mounted within a partition that positions the heater unit relative to the housing and at least partially defines a bypass flow passage in fluid communication with ambient air surrounding the housing, the partition further defining a flow diverting passage leading from the bypass flow passage to the suction flow passage and through which ambient air is drawn from the bypass flow passage when a smoker puffs on a cigarette inserted in the heater unit opening.
    Type: Application
    Filed: November 8, 2002
    Publication date: May 13, 2004
    Inventors: John Louis Felter, Robert E. Lee, Ashok Solanky, Clint Blake, Pamela Davis, David E. Sharpe, Mark E. Watson, Robert L. Ripley, Brett W. Stevenson, William J. Crowe
  • Publication number: 20040020500
    Abstract: An electrical smoking system comprising a cigarette and an electric lighter, wherein the cigarette comprises a tubular tobacco mat partially filled with material tobacco so as to define a filled tobacco rod portion and an unfilled tobacco rod portion. The cigarette and the lighter are mutually arranged so that when the cigarette is received in the lighter, the electrical heater element of the lighter at least partially superposes at least a portion of the filled tobacco rod portion. The cigarette and the lighter are also mutually arranged so that when the cigarette is received in the lighter, the free end of the cigarette is occluded. The cigarette includes a zone of perforations at a location along the filled tobacco rod portion, with the cigarette being free of perforations along the unfilled tobacco rod portion. An apparatus for perforating a cigarette which can be smoked in an electrical smoking device includes a drum link-up assembly and a laser perforating apparatus.
    Type: Application
    Filed: July 30, 2003
    Publication date: February 5, 2004
    Inventors: Susan E. Wrenn, A. Clifton Lilly, Traci L. Franklin, Wesley G. Sanderson, Brett W. Stevenson, Charles W. Harris, Donald H. Jones, Barry S. Smith, Jeffrey A. Swepston, Mikhail S. Braunshteyn, James W. Hall
  • Publication number: 20020005207
    Abstract: An electrical smoking system comprising a cigarette and an electric lighter, wherein the cigarette comprises a tubular tobacco mat partially filled with material tobacco so as to define a filled tobacco rod portion and an unfilled tobacco rod portion. The cigarette and the lighter are mutually arranged so that when the cigarette is received in the lighter, the electrical heater element of the lighter at least partially superposes at least a portion of the filled tobacco rod portion. The cigarette and the lighter are also mutually arranged so that when the cigarette is received in the lighter, the free end of the cigarette is occluded. The cigarette includes a zone of perforations at a location along the filled tobacco rod portion, with the cigarette being free of perforations along the unfilled tobacco rod portion. An apparatus for perforating a cigarette which can be smoked in an electrical smoking device includes a drum link-up assembly and a laser perforating apparatus.
    Type: Application
    Filed: March 23, 2001
    Publication date: January 17, 2002
    Inventors: Susan E. Wrenn, A. Clifton Lilly, Traci L. Franklin, Patrick H. Hayes, Mary Ellen Counts, Wesley G. Sanderson, Brett W. Stevenson, William James Crowe, Charles W. Harris, Donald H. Jones, Barry S. Smith, Jeffrey A. Swepston, Mikhail S. Braunshteyn, James W. Hall
  • Patent number: 5666976
    Abstract: A method of manufacturing cigarettes including the steps of establishing a succession of 2-up hollow plugs in alternating relation to 2-up tobacco plugs and wrapping same in a tobacco web and overwrap, severing the resultant continuous rod at mid points of preselected 2-up tobacco plugs and severing again to establish associated pairs of singular tobacco rod plugs, separating the members of associated pairs of tobacco rod plugs and placing 2-up filter tipping plugs therebetween, and subsequently wrapping the interposed 2-up filter tipping plug together with adjacent portions of the singular tobacco rod plugs and severing the resultant tipped structure into individual cigarettes. Also provided are cigarettes constructed in accordance with the novel method.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 16, 1997
    Assignee: Philip Morris Incorporated
    Inventors: John M. Adams, Mikhail S. Braunshteyn, Mary Ellen Counts, Gerald M. Dale, Charles W. Harris, Donald H. Jones, Billy J. Keen, Jr., Wesley G. Sanderson, Barry S. Smith, Brett W. Stevenson, Susan E. Wrenn
  • Patent number: D469962
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: February 11, 2003
    Assignee: Philip Morris Incorporated
    Inventors: John M. Campbell, Brett W. Stevenson, William J. Crowe, Grier Fleischhauer, Wendy Marin Weiner, Robert Pandorf, Christopher O'Brien Wheeler