Patents by Inventor Angela Wendy Williams

Angela Wendy Williams 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).

  • Methods and apparatus for the chemical analysis of flowing materials
    Patent number: 3980882
    Abstract: The present invention concerns apparatus for analyzing flowable substances such as slurries using techniques such as X-ray fluorescence, infra-red reflectance or emisson spectrography. The material to be analyzed is caused to flow over a plate in a very thin film so that a quantitive measurement of the elements of interest in the material can be made by analytical systems.
    Type: Grant
    Filed: April 18, 1974
    Date of Patent: September 14, 1976
    Assignee: National Research Development Corporation
    Inventors: Kenneth Garfield Carr-Brion, Angela Wendy Williams