Patents by Inventor Vladimir Yakovlevich Feldman

Vladimir Yakovlevich Feldman 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: 3980142
    Abstract: The herein-proposed drilling boom is provided with a telescopic manipulator mounted with its one end on the bearing plate with a possibility to turn round the vertical axis while hinged to its other end is a feed with drifter, said feed being provided with a crowd hydraulic cylinder. Besides, rigidly secured on the vacant end of the manipulator is a head carrying the hydraulic cylinders for tilting and turning the feed in a horizontal plane and a rotational mechanism adapted to turn the feed round the axis of the rotational mechanism. The drilling boom is also provided with hydraulic cylinders for lifting and turning the manipulator in a horizontal plane.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: September 14, 1976
    Inventors: Vladimir Konstantinovich Grigoriev, Viktor Dmitrievich Chugunov, Alexandr Moiseevich Tsipkis, Mikhail Nikolaevich Kudryakov, Vladimir Germogenovich Yakovlev, Vladimir Borisovich Tumarkin, Jury Borisovich Bashilov, Jury Mikhailovich Kulaev, Vladimir Yakovlevich Feldman, Vyacheslav Fedorovich Semikozov, Viktor Ivanovich Badin, Vladislava Vladislavovna Sheveleva