Patents by Inventor Sydney Winn Fleming

Sydney Winn Fleming 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).

  • Multiplex optical analyzer apparatus
    Patent number: 4120592
    Abstract: Apparatus for enlarging the analytical capability of a photometric analyzer for segregating a first preselected analytical radiation wavelength band for passage through a first sample cell and segregating a second preselected analytical radiation wavelength band for passage through a second sample cell, after which emergent radiations from both sample cells are directed to a common radiation detector.
    Type: Grant
    Filed: March 24, 1976
    Date of Patent: October 17, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Sydney Winn Fleming, Gregory Paul Weeks