Patents by Inventor David Roger LABRECQUE

David Roger LABRECQUE 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).

  • Ring grating spectrometer
    Patent number: 8717560
    Abstract: The present invention provides apparatuses including a point light source, a diffraction grating oriented in a light path generated from the point light source wherein the diffraction grating diffracts and concentrates light from the point light source into one or more rings of light, a detector positioned to detect one or more of the rings of light or light transmitted from a sample exposed to said rings of light, and a computer operably connected to the detector to analyze the intensity of one or more of the rings of light or said light transmitted from said sample. Variations including samples and additional components and methods of making the apparatuses of the present invention are also disclosed.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: May 6, 2014
    Assignee: University of Maine System Board of Trustees
    Inventor: David Roger Labrecque
  • RING GRATING SPECTROMETER
    Publication number: 20110273707
    Abstract: The present invention provides apparatuses including a point light source, a diffraction grating oriented in a light path generated from the point light source wherein the diffraction grating diffracts and concentrates light from the point light source into one or more rings of light, a detector positioned to detect one or more of the rings of light or light transmitted from a sample exposed to said rings of light, and a computer operably connected to the detector to analyze the intensity of one or more of the rings of light or said light transmitted from said sample. Variations including samples and additional components and methods of making the apparatuses of the present invention are also disclosed.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 10, 2011
    Applicant: UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES
    Inventor: David Roger LABRECQUE