Patents by Inventor John W. Nagy

John W. Nagy 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).

  • Gas flow Geiger-Mueller type detector and method monitoring ionizing radiation
    Patent number: 5298754
    Abstract: A substantially stable, substantially portable open-window gas flow Geiger-Mueller type detector capable of monitoring ionizing radiation having an electrically conductive chamber with one or more fluid inlets and opening to receive radiation. A counting gas is provided to the chamber through the inlet(s). The detector also has at least one insulated anode positioned in the chamber and a radiation permeable cover substantially sealed over the opening. A source of electricity is connected to the chamber and electric pulses generated within the chamber are detected when an ionizing event is caused by ionizing radiation entering the chamber.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: March 29, 1994
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Charles W. Anderson, John W. Nagy, Leonard R. Smith