Patents by Inventor July M. Sergienko

July M. Sergienko 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).

  • Uneven bars
    Patent number: 4491314
    Abstract: Adjustable uneven bars are used for gymnastic competition and training of sportsmen, the uneven bars comprising two parallel handrails mounted on the top ends of two pair of uneven uprights, each pair of uneven uprights being braced by a pair of tensioning cables and being equipped with an automatic cable tension control device, a handrail spacing adjuster connected between the uprights of each pair of uneven uprights and linked mechanically with the automatic cable tension control device of the corresponding pair of uneven uprights, each handrail spacing adjuster provided with a hand drive crank and an electric drive motor, and an interlocking device which prevents simultaneous operation of both motors.
    Type: Grant
    Filed: January 13, 1983
    Date of Patent: January 1, 1985
    Assignee: Nauchno-Issledovatelsky I Kostruktorsky Institut
    Inventors: Alexandr D. Belyavsky, Gennady M. Borozdinov, Vitaly M. Vasiliev, Viktor I. Kalognomos, Nikolai A. Komov, Gennady A. Pavlov, Evgeny L. Persits, July M. Sergienko, Jury A. Svirin, Boris V. Titov