Patents by Inventor Balin Nikolai Ivanovich

Balin Nikolai Ivanovich 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).

  • Ultrasound sensor for detecting the level of liquids
    Patent number: 6272921
    Abstract: An ultrasonic liquid level detector includes a detector case (1), a rod acoustic waveguide (2) on one end of which there is an acoustical-electrical transducer (3) and on the other end a hollow resonator (4). The resonator (4) space is isolated from an external medium. The detector case (1) is fixed rigidly and hermetically on the surface of the rod acoustic waveguide (2) in a zone of minimum rod oscillations of the rod acoustic waveguide at operating detector frequency and contains an attachment means for attaching the detector to an external base.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: August 14, 2001
    Inventors: Balin Nikolai Ivanovich, Demchenko Aleksandr Petrovich, Cyrkov Vladimir Afanasevich