Patents by Inventor Nicolas Mitrofanov

Nicolas Mitrofanov 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).

  • Geiger-Mueller tube with tungsten liner
    Patent number: 4359661
    Abstract: A highly sensitive Geiger-Mueller radiation detector with improved temperature stability and working life uses a cathode liner made of tungsten. The liner is resistant to attack by the halogen quench gases which are used in the detector. The method of conditioning the tube for use is much simpler and less expensive than it is for existing tubes.
    Type: Grant
    Filed: August 29, 1980
    Date of Patent: November 16, 1982
    Assignee: The Harshaw Chemical Company
    Inventor: Nicolas Mitrofanov