Patents by Inventor Jury Iosifovich Rozengart

Jury Iosifovich Rozengart 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 manufacturing polymetallic pipes
    Patent number: 4049184
    Abstract: The method of manufacturing polymetallic pipes according to the invention consists of preparing the contacting surfaces of pipe billets, sealing off the gap between the billets at their ends and forming a multilayer pipe billet, heating said billet, placing it into a die and sealing off the space of the pipe billet, and filling said space with a fluid medium for exerting pressure on the internal surface of the billet, said pressure being sufficient for producing a diffusion joint.According to the invention, the temperature gradient in the body of the pipe billet is distributed so that the temperature at one end of the billet is lower than it is in its other parts.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: September 20, 1977
    Inventors: Jury Iosifovich Rozengart, Viktor Yakovlevich Ostrenko, Efim Abramovich Reznikov, Izrail Moishevich Sukonnik, Oleg Georgievich Fedorov, Robert Georgievich Kheifets, Viktor Jurievich Untilov, Jury Viktorovich Chichkov, Vladimir Khrisanfovich Kasyan, Lev Semenovich Lyakhovetsky