Patents by Inventor Vladimir Lvovich Rozenberg

Vladimir Lvovich Rozenberg 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).

  • Electric furnace
    Patent number: 3950601
    Abstract: An electric furnace for the melting of metallic and non-metallic charge, comprising an annular hearth which houses the electrodes connected to a power supply. The central zone of the furnace can accommodate the spouts for discharging the melt, supports with electrode holders, furnace transformers or gas cleaning devices.
    Type: Grant
    Filed: May 23, 1974
    Date of Patent: April 13, 1976
    Inventors: Alexandr Nikolaevich Popov, Leonid Savvich Katsevich, Vladimir Lvovich Rozenberg