Patents by Inventor Michael Essington

Michael Essington 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).

  • Optical-fiber raman spectroscopy used for remote in-situ environmental analysis
    Patent number: 4802761
    Abstract: Method and apparatus are provided for remote in-situ detection and/or monitoring of selected compounds in liquid or gaseous media using one of several methods of Raman spectroscopy. The resulting Raman signal is conducted through optical fibers for recording a Raman spectrum at a distance from the instrument.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: February 7, 1989
    Assignee: Western Research Institute
    Inventors: John M. Bowen, Patrick J. Sullivan, M. Sterling Blanche, Michael Essington, Lewis J. Noe