Patents by Inventor Nigel David Warren

Nigel David Warren 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).

  • Tobacco smoke filter elements
    Patent number: 7249605
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: July 31, 2007
    Assignee: British American Tobacco (Investments) Ltd.
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren
  • Cigarette monitoring
    Patent number: 7100420
    Abstract: A cigarette monitoring device capable of monitoring individual smoking behaviour and particularly smoke deliveries and of communicating this and other information to a remote location and/or the consumer. The device comprises a cigarette monitoring means, fluid-flow pressure drop and smoke density detection means, data transmission means, data receiving and processing means, as well as means to display the processed data. Display means of the invention may display information that is of interest to the smoker and may offer a direct sales service to the consumer.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: September 5, 2006
    Assignee: British American Tobacco (Investments) Limited)
    Inventors: Graham Albert Read, Nigel David Warren
  • Cigarette monitoring
    Publication number: 20040177674
    Abstract: A cigarette monitoring device capable of monitoring individual smoking behaviour and particularly make deliveries and of communicating this and other information to a remote location and/or the consumer. The device comprises a cigarette monitoring means, fluid-flow pressure drop and smoke density detection means, data transmission means, data receiving and processing means, as well as means to display the processed data. Display means of the invention may display information that is of interest to the smoker and may offer a direct sales service to the consumer.
    Type: Application
    Filed: November 12, 2003
    Publication date: September 16, 2004
    Inventors: Graham Albert Read, Nigel David Warren
  • Tobacco smoke filter elements
    Publication number: 20040074507
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodoriser. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodoriser upon extinguishing of the smoked cigarette. The deodoriser may comprise neutralising or masking agents, or mixtures of both.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren
  • Tobacco smoke filter elements
    Patent number: 6631722
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: October 14, 2003
    Assignee: British-American Tobacco Company Limited
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren