Patents by Inventor Mathias N. Barringer

Mathias N. Barringer 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).

  • Tandem photoionization detector and halogen specific detector
    Patent number: 5578271
    Abstract: A photoionization detector (PID) and an improved halogen specific detector are disclosed, for direct connection of the PID outlet to the halogen specific detector inlet. The tandem detector is used for detection of volatile organic compounds and the like. A jet assembly and seal between the PID and halogen specific detector provide a leak free and upswept dead volume-free connection between the two detectors.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: November 26, 1996
    Assignee: O.I. Corporation
    Inventors: Richard K. Simon, Michael L. Duffy, Michael J. Tanner, Mathias N. Barringer, Nathan C. Rawls