Patents by Inventor Christopher L. Irving

Christopher L. Irving 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).

  • Aerosol generating devices and methods for generating aerosols suitable for forming propellant-free aerosols
    Patent number: 7040314
    Abstract: Liquid aerosol formulations for generating aerosols include at least one high volatility carrier and a second component. In some embodiments, the liquid aerosol formulation is propellant free. An aerosol generating device generates an aerosol by passing liquid aerosol formulation through a flow passage heated to convert the liquid into a vapor, which is mixed with air to form an aerosol. In some embodiments, particles of the aerosol consist essentially of the second component. The aerosol generator can be incorporated in a hand held inhaler. The aerosol can be delivered to a targeted portion of the lung using the inhaler.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: May 9, 2006
    Assignee: Philip Morris USA Inc.
    Inventors: Tung T. Nguyen, Christopher L. Irving, Kenneth A. Cox, Douglas D. McRae, Walter A. Nichols
  • Liquid aerosol formulations and aerosol generating devices and methods for generating aerosols
    Publication number: 20040081624
    Abstract: Liquid aerosol formulations for generating aerosols include at least one high volatility carrier and a second component. In some embodiments, the liquid aerosol formulation is propellant free. An aerosol generating device generates an aerosol by passing liquid aerosol formulation through a flow passage heated to convert the liquid into a vapor, which is mixed with air to form an aerosol. In some embodiments, particles of the aerosol consist essentially of the second component. The aerosol generator can be incorporated in a hand held inhaler. The aerosol can be delivered to a targeted portion of the lung using the inhaler.
    Type: Application
    Filed: September 4, 2003
    Publication date: April 29, 2004
    Applicant: Chrysalis Technologies Incorporated
    Inventors: Tung T. Nguyen, Christopher L. Irving, Kenneth A. Cox, Douglas D. McRae, Walter A. Nichols
  • Tobacco rod firmness sensor
    Patent number: 4535789
    Abstract: A tobacco rod firmness sensor arrangement wherein the tongue of a continuous rod type cigarette making machine is divided into an upstream portion and a downstream portion. The upstream portion is independently mounted from the downstream portion and is associated with a sensor to measure the force exerted by the tobacco rod compressed between the upstream portion and the garniture. Calibration of the sensor is unaffected by adjustment of the downstream portion of the divided tongue.
    Type: Grant
    Filed: August 2, 1983
    Date of Patent: August 20, 1985
    Assignee: Philip Morris, Inc.
    Inventors: Christopher L. Irving, Jerome S. Osmalov
  • Firmness control in a cigarette maker
    Patent number: 4326542
    Abstract: A practice for controlling cigarette rod firmness in a cigarette maker wherein a detected cigarette rod firmness signal is corrected for firmness variations resulting from changes in rod moisture relative to a preselected or target moisture via a suitably processed detected moisture signal and the corrected firmness signal is compared with a preselected or target firmness to derive an error signal for tobacco content control.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: April 27, 1982
    Assignee: Philip Morris Incorporated
    Inventors: Tibor S. Laszlo, John F. Nienow, John F. Sherwood, Christopher L. Irving
  • Measuring cigarette characteristics during pyrolysis smoking
    Patent number: 4227400
    Abstract: The length and firmness of a cigarette rod during smoking are measured on automatic basis to determine the effects of blend, moisture and temperature on the firmness of a cigarette rod behind the coal of a burning cigarette.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: October 14, 1980
    Assignee: Philip Morris Incorporated
    Inventors: John F. Nienow, Christopher L. Irving, Lynwood V. Shaw