Patents by Inventor Luis M. Dominguez

Luis M. Dominguez 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).

  • Method and apparatus for continuous emissions monitoring system using gas chromatography
    Patent number: 5610835
    Abstract: A method for monitoring the concentration of at least one volatile or semi-volatile compound contained in at least one air stream carrying at least one volatile or semi-volatile compound and apparatus for performing the method, which includes the steps of calibrating at least one gas chromatograph using at least three different calibration gases, obtaining a sample of the at least one air stream containing the at least one compound, providing the sample of the at least one air stream to the at least one gas chromatograph under control of a digital data processor to analyze the sample of the at least one air stream to determine the concentration of the at least one compound in the sample and controlling the operations using the digital data processor.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: March 11, 1997
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Luis M. Dominguez, Forrest W. Bowling, William M. Coleman, III, Bert M. Gordon
  • Method and apparatus for detecting foreign matter within a layer of tabacco
    Patent number: 5476108
    Abstract: The invention is directed to a method and apparatus for detecting foreign matter including small particles of organic materials such as plastics within a layer of tobacco. The tobacco is irradiated with a plurality of selected NIR radiation wavelength bands. Data representative of the NIR radiation exiting the tobacco is compared to a predetermined reference representative of a plurality of different tobacco samples to determine whether the inspected tobacco contains foreign matter.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: December 19, 1995
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Luis M. Dominguez, Sydney K. Seymour
  • On-line tobacco evaluation system and method
    Patent number: 4971077
    Abstract: The present invention comprises a product moving apparatus for moving a tobacco product, a vertical feeder tube for metering the tobacco product onto the product moving apparatus at a predetermined rate, a system for maintaining a predetermined height of the tobacco product in the feeder tube, and an infrared detection apparatus connected to the feeder tube to detect the concentration of menthol in the tobacco product.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: November 20, 1990
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Luis M. Dominguez, Calvin W. Henderson
  • Method and apparatus for detecting the deposition of an adhesive on a travelling web
    Patent number: 4845374
    Abstract: A method and apparatus is disclosed that detects the specular reflections from the surface of a travelling web to determine if a material is coated on the web. The web is illuminated with diffuse light and the reflected light is received by a detector which determines the presence and width of the coated material based on the specular reflections from the coated surface of the travelling web.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: July 4, 1989
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Kenneth W. White, Luis M. Dominguez, Bain C. McConnell