Patents by Inventor Philip John Kinnard

Philip John Kinnard 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: 6202651
    Abstract: This invention provides a smoking article (1) having reduced sidestream smoke in the inter-puff period. A smoking article (1) according to the invention may comprise segments of a high level of tobacco-containing material (5) interconnected by segments of low level of tobacco-containing material (6) which are capable of maintaining smoulder in the inter-puff period and re-igniting the segments of a high level of tobacco-containing material (5) in the puff period. Alternatively, a smoking article according to another aspect of the invention may comprise a lengthwise, axially extending, tobacco-containing fuse portion (46) which sustains smoulder in the inter-puff period when surrounding tobacco material (45) is substantially extinguished and which re-ignites the extinguished material on puffing of the smoking article (1).
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: March 20, 2001
    Assignee: British-American Tobacco Company Limited
    Inventors: John Anthony Luke, Philip John Kinnard
  • Patent number: 5983901
    Abstract: This invention provides a smoking article having reduced sidestream smoke in the inter-puff period. A smoking article according to the invention may comprise a lengthwise, axially extending, tobacco-containing or non-tobacco fuse portion which sustains smoulder in the inter-puff period when surrounding tobacco material is substantially extinguished and which re-ignites the extinguished material on puffing of the smoking articles.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: November 16, 1999
    Assignee: British-American Tobacco Company Limited
    Inventors: John Anthony Luke, Philip John Kinnard
  • Patent number: 5722432
    Abstract: This invention provides a smoking article having reduced sidestream smoke in the inter-puff period. A smoking article according to the invention may comprise segments of a high level of tobacco-containing material interconnected by segments of low level of tobacco-containing material which are capable of maintaining smoulder in the inter-puff period and re-igniting the segments of a high level of tobacco-containing material in the puff period. Alternatively, a smoking article according to another aspect of the invention may comprise a lengthwise, axially extending, tobacco-containing fuse portion which sustains smoulder in the inter-puff period when surrounding tobacco material is substantially extinguished and which re-ignites the extinguished material on puffing of the smoking articles.
    Type: Grant
    Filed: July 13, 1995
    Date of Patent: March 3, 1998
    Assignee: British-American Tobacco Company Limited
    Inventors: John Anthony Luke, Philip John Kinnard