Patents by Inventor Vyacheslav A. Goldobin

Vyacheslav A. Goldobin 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).

  • Hydraulic device for driving piles
    Patent number: 5526885
    Abstract: A hydraulic device for driving piles including a casing accommodating a striker with an anvil block, a hydraulic power cylinder, having a rod connected to the striker and a hydraulic directional control selector. A control unit is separated from the directional control selector and is secured on a housing of the power cylinder coaxially with the striker. The hydraulic directional control selector comprises two valves, each of which is provided with two pilot chambers, communication pairwise with each other. The first valve puts the head end of the power cylinder in communication with the rod end, and the second valve establishes communication between the head end and the return flow line.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: June 18, 1996
    Assignee: Aktsionernoe obschestvo zakrytogo tipa "Rossiiskaya Patentovannaya Tekhnika" (ROPAT)
    Inventors: Viktor A. Kuvshinov, Vladimir M. Ermolaev, Sergei V. Rusin, Vyacheslav A. Goldobin