Patents by Inventor Evgeny F. Karpov

Evgeny F. Karpov 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).

  • Method for checking thermocatalytic sensors of mine safety systems
    Patent number: 4314475
    Abstract: According to the invention, a maximum output signal of the sensor is measured as the sensor is actuated and voltage is applied to its sensitive element to produce a prescribed heating temperature, whereupon one measures the steady-state output signal of the sensor and the duration of the transient process between the maximum signal and the steady-state signal.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: February 9, 1982
    Inventors: Evgeny F. Karpov, Isaak E. Birenberg, Boris I. Basovsky, Vladimir V. Popov