Patents by Inventor Peter R. White

Peter R. White 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).

  • Relating to smoking articles
    Patent number: 5549125
    Abstract: A cigarette having a region having means to reduce the vapour phase constituents of tobacco smoke, such as carbon, surrounding a tobacco smoke flow path is provided with ventilation means to channel the tobacco smoke away from the vapour phase constituent reducing region. The vapour phase constituent reductions achieved are greater than the reduction which would be expected in view of the degree of ventilation to which the cigarette is subjected.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: August 27, 1996
    Assignee: British-American Tobacco Company Limited
    Inventor: Peter R. White
  • Smoking article mouthpieces
    Patent number: 4911684
    Abstract: A method of making a ventilated cigarette filter plug in which a bore is thermally formed, by a laser beam for example, in a rod comprising a duct extending coaxially of the rod and matrix material surrounding the duct. The thermally formed bore extends through the matrix material to provide air-flow communication between the periphery of the rod and the interior of the duct.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: March 27, 1990
    Assignee: British-American Tobacco Company Limited
    Inventors: Martin G. Duke, Peter R. White