Patents by Inventor Vladimir F. Zelensky

Vladimir F. Zelensky 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).

  • Machine for flash butt welding of pipes
    Patent number: 4803330
    Abstract: Disclosed is a machine for flash butt welding of pipes located in the bore of the pipes welded together, a housing (2) whereof is provided with rigidly attached thereto a first supporting disc (3) and a second supporting disc (4) and with a pipe flashing-and-upsetting means (5) which has a carrier (7) and a hydraulic actuator (6) for displacing said means along the housing (2) and also has two pipe clamping means (9, 10) each whereof is provided with a carrier (12 and 13) and self-contained hydraulic actuators (11) imparting axial motion to this clamping means.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: February 7, 1989
    Assignee: Institut Elektrosvarki Imeni E.O. Patona Akademii Nak Ukrainskoi
    Inventors: Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Boris A. Galian, Vladimir F. Zelensky