Patents by Inventor John S. Maier

John S. Maier 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 for detection of pathogenic microorganisms
    Patent number: 7262840
    Abstract: A method for the detection and identification of pathogenic microorganisms using Raman scattered light and emitted light. The method may include passing the Raman scattered light and emitted light through a FAST fiber array spectral translator.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: August 28, 2007
    Assignee: ChemImage Corporation
    Inventors: John S. Maier, Charles W. Gardner, Jr., Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Julianne Wolfe
  • Method for detection of pathogenic microorganisms
    Patent number: 7256875
    Abstract: A method for the detection and identification of pathogenic microorganisms using Raman scattered light and transmitted light in the near infrared spectral region. The method may include passing the Raman scattered light and transmitted light through a FAST fiber array spectral translator.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: August 14, 2007
    Assignee: ChemImage Corporation
    Inventors: John S. Maier, Charles W. Gardner, Jr., Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Julianne Wolfe
  • Method and apparatus for spectral modulation compensation
    Patent number: 7239383
    Abstract: The embodiments disclosed herein generally relate to identifying and removing background noise in spectroscopic imaging of a sample. Because white-light has essentially constant intensity at every wavelength, background noise caused by white light can be identified and removed from spectroscopic measurements including Raman spectroscopy. Thus, once the Raman spectrum for a sample is obtained, it may be corrected to remove the white-light dispersive spectrum in accordance with the embodiments disclosed herein.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: July 3, 2007
    Assignee: Chemimage Corporation
    Inventors: John S. Maier, Jason N. Neiss, Shona Stewart, Matthew P. Nelson, Joseph Demuth, Patrick J. Treado
  • Method for detection of pathogenic microorganisms
    Patent number: 7113275
    Abstract: Pathogenic microorganisms are detected and classified by spectral imaging of the Raman light scattered by the organisms.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: September 26, 2006
    Assignee: ChemImage Corporation
    Inventors: Charles W. Gardner, Jr., John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Juliane Wolfe
  • Wide field method for detecting pathogenic microorganisms
    Patent number: 7057721
    Abstract: Pathogenic microorganisms are detected in a wide field of view and classified by Raman light scattered light from these organisms together with digital pattern recognition of their spectral patterns.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: June 6, 2006
    Assignee: ChemImage Corporation
    Inventors: Charles W. Gardner, Jr., John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Julianne Wolfe
  • Method and apparatus for multiwavelength imaging spectrometer
    Patent number: 7012695
    Abstract: The disclosure generally relates to a method and apparatus for multi-wavelength imaging spectrometer. More specifically, in one embodiment, the disclosure relates to an optical filter for passing photons therethrough. The filter includes a first filter stage and a second filter stage. The first filter stage may include a first retarder element and a first liquid crystal cell. The first element may include an input face and an output face. One of the first element faces is not oriented substantially normal to the trajectory of photons passing through the filter.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: March 14, 2006
    Assignee: ChemImage Corporation
    Inventors: John S. Maier, Patrick J. Treado, Chenhui Wang
  • Water quality monitoring by Raman spectral analysis
    Patent number: 6950184
    Abstract: Raman scattering of radiation applied to a water sample is used to assess occurrence of a pathogen in the sample. The method is useful for detecting pathogens that are difficult to detect using other methods, such as protozoa. Examples of organisms that can be detected in water samples using these methods include protozoa of the genus Cryptosporidium and the genus Giardia. The methods described herein have important applications, such as for detection of Cryptosporidium organisms in municipal water systems.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: September 27, 2005
    Assignee: ChemImage Corporation
    Inventors: Shona Stewart, John S. Maier, Patrick J. Treado
  • Method for detection of pathogenic microorganisms
    Patent number: 6917423
    Abstract: Pathogenic microorganisms are detected and classified by spectral imaging of the Raman light scattered by the organisms.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: July 12, 2005
    Assignee: ChemImage, Inc.
    Inventors: Charles W. Gardner, Jr., John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Juliane Wolfe
  • Method for detection of pathogenic microorganisms
    Publication number: 20040189989
    Abstract: Pathogenic microorganisms are detected and classified by spectral imaging of the Raman light scattered by the organisms.
    Type: Application
    Filed: April 14, 2004
    Publication date: September 30, 2004
    Inventors: Charles W. Gardner, John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Juliane Wolfe
  • Method for detection of pathogenic microorganisms
    Patent number: 6765668
    Abstract: Pathogenic microorganisms are detected and classified by spectral imaging of the Raman light scattered by the organisms.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: July 20, 2004
    Assignee: ChemImage, Inc.
    Inventors: Charles W. Gardner, Jr., John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Juliane Wolfe
  • Method for detection of pathogenic microorganisms
    Publication number: 20040021860
    Abstract: Pathogenic microorganisms are detected and classified by spectral imaging of the Raman light scattered by the organisms.
    Type: Application
    Filed: January 10, 2003
    Publication date: February 5, 2004
    Inventors: Charles W. Gardner,, John S. Maier, Matthew P. Nelson, Robert C. Schweitzer, Patrick J. Treado, G. Steven Vanni, Juliane Wolfe