Patents by Inventor Vladimir P. Timofeev

Vladimir P. Timofeev 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).

  • Method of rolling section billets
    Patent number: 4201075
    Abstract: A method of rolling section billets wherein a plurality of billets transversely interconnected by bridges are successively simultaneously formed from a slab in a number of grooves defined by a plurality of transversely juxtaposed grooves. The forming is effected in two stages by reducing the value of longitudinal tensile stresses in central portions of the billets at one stage by changing the position of zones of prevailing reduction transversely of the billets, with the subsequent separation of billets from one another.
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: May 6, 1980
    Inventors: Julian M. Chumanov, Valentin M. Klimenko, Grigory M. Shulgin, Vyacheslav F. Gubaidulin, Vladimir P. Timofeev, Vladimir P. Slednev, Stanislav N. Ignatiev, Pavel A. Levichev, Jury P. Lyashenko