Patents by Inventor Gennady A. Muraviev

Gennady A. Muraviev 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).

  • Automatic fault locating apparatus for a pressurized pipeline
    Patent number: 4372151
    Abstract: An automatic fault locating apparatus for a pressurized pipeline comprises a pick-up (1) having its output electrically associated with an input of an amplifier (6) whose output is connected to one of inputs of an AND gate (7) having its other input connected to a pulse generator (8) whereas an output of the AND gate (7) is connected to an input of a pulse counter (9). The apparatus further comprises an integration unit (2) having an input connected to the output of the pick-up (1) an amplitude limiter (3) having its signal input connected to an output of the integration unit (2), a limit level adjusting unit (4) whose output is connected to a control input of the amplitude limiter (3), a differentiation unit (5) having its input connected to an output of the amplitude limiter (3), whereas an output thereof is connected to an input of the amplifier (6).
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: February 8, 1983
    Inventors: Gennady A. Muraviev, Lev B. Kublanovsky