Patents by Inventor Leonid Savvich Katsevich

Leonid Savvich Katsevich 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).

  • Water-cooled roof of electric-arc furnace
    Patent number: 4107449
    Abstract: A water-cooled roof comprises a roof ring of a circular cross section, and the ring supports a box-shaped structure welded from metal plates. The structure consists of two portions, a central portion in the form of a hollow disc and a peripheral portion in the form of a hollow ring. The joint between the central and peripheral portions is packed with a gasket of an electric-insulating material. The roof is lined with a refractory material from the side of the furnace.The endurance of such a roof exceeds that of a conventional roof 25 - 30 times.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: August 15, 1978
    Inventors: Oleg Mikhailovich Sosonkin, Leonid Savvich Katsevich, Nikolai Alexeevich Pirogov, Zoya Mikhailovna Chistyakova, Viktor Alexandrovich Kudrin, Jury Tikhonovich Borisov, Oleg Evgenievich Molchanov, Mikhail Vasilievich Savvin, Eduard Maximovich Grigoriev, Alexei Ivanovich Fedchenko, Anatoly Zakharovich Shevtsov, Valentin Semenovich Kudryavtsev, Ivan Kuzmich Silantiev, Georgy Stepanovich Solomin, Vasily Gerasimovich Mateshin, Alexandr Mikhailovich Zinoviev, Viktor Iosifovich Shishiyannikov, Gennady Mikhailovich Paly, David Matveevich Koen, Vladimir Vasilievich Seleverstov, Jury Alexandrovich Smirnov
  • 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