Patents by Inventor Kent K. Stewart

Kent K. Stewart 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).

  • Apparatus and method for rapid analyses of plurality of samples
    Patent number: 4013413
    Abstract: An apparatus and method for automatically analyzing up to 150 samples per hour with high precision. Air segmentation and its concomitant limitations and drawbacks are eliminated by use of a novel stream sampling valve which transfers a predetermined volume of sample only from a sample flow system to a reaction flow system.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: March 22, 1977
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Kent K. Stewart, Gary R. Beecher, Peter Edgar Hare