Patents by Inventor David John Dwight

David John Dwight 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).

  • Ionization detectors
    Patent number: 4051376
    Abstract: A novel form of ionization detector, particularly one operating in the electron capture mode, is described. The detector includes iron-55 as a source of electrons to cause ionization. The detector may be operated in direct current, pulse or frequency modulated modes.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: September 27, 1977
    Assignee: The Radiochemical Centre Ltd.
    Inventors: Edgar Adolf Lorch, David John Dwight