Patents by Inventor Jaroslaw Slomkowski

Jaroslaw Slomkowski 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).

  • Patent number: 4254484
    Abstract: The present invention relates to a device for determination of position of a ship in the dock at docking, based on the principle of reflection of ultrasonic waves from solid bodies in water.The device includes two pairs of transmitting-receiving converters (1), (1') and (2), (2') of an echo sounder, each of which is connected to a separate indicator (5) and (7) of the echo sounder through a bi-stable switch (4), (6), while the both two-position relay elements (4) and (6) are connected to only one multivibrator (3).
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: March 3, 1981
    Assignee: Przedsiebiorstwo Wdrazania I Upowszechniania Postepu Technicznego I Organizacyjnego Posteor Oddzia W Gdansku
    Inventors: Kazimierz Markowski, Jacek Truszkowski, Wojciech Niedzielski, Jaroslaw Slomkowski