Patents by Inventor Dmitry Cherny

Dmitry Cherny 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).

  • Self-aligning shaft support
    Patent number: 5590966
    Abstract: This invention relates to a support assembly which is to be used in association with a sealing arrangement to support a member which is movable with respect to a base element.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: January 7, 1997
    Assignee: Cherny Holdings Limited
    Inventors: Dmitry Cherny, Nicolai Cherny, Dimitry Cherny
  • Seal assembly for reciprocating members
    Patent number: 5112140
    Abstract: A seal assembly for use in establishing a seal between the pump rod of a down the hole pump and the upper end of a bore casing. The seal assembly having a stuffing box supported by a body through which the pump rod extends. The stuffing box being mounted on a guide member having a ball section with the pump rod extending axially therethrough. The ball section being seated in bearings located in a chamber in the body so that the guide member and stuffing box may pivot relative to the body to accommodate angle misalignment of the pump rod. The bearings having freedom for lateral movement in the body chamber to establish axial alignment of the stuffing box with the pump rod.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: May 12, 1992
    Inventors: Dmitry Cherny, Nicolai Cherny, Dimitry Cherny