Patents by Inventor Alexei Ivanovich Fedchenko

Alexei Ivanovich Fedchenko 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
  • Device for cutting moving ingots, tube skelps and rolled stock
    Patent number: 3948131
    Abstract: Apparatus for severing moving members such as ingots, tube skelps and rolled stock, comprising cooperating cutters disposed transversely to the direction of movement; power means for simultaneously urging the cutters together from opposite sides of the member being cut; pneumatic means for urging the cutters apart; and means for automatically disengaging the cutters from the severed member through use of the force of the moving member.
    Type: Grant
    Filed: March 18, 1974
    Date of Patent: April 6, 1976
    Inventors: Sergei Vasilievich Yatsenko, Vadim Grigorievich Kononenko, Igor Pavlovich Komnatny, Viktor Alexeevich Stelmakh, Serafim Vasilievich Schekochikhin, Stanislav Anisimovich Maznichenko, Mikhail Karpovich Silichev, Vladimir Vladimirovich Lobanov, Alexei Ivanovich Fedchenko, Leonid Petrovich Babich, Levon Khachaturovich Akhnazariants, Anatoly Semenovich Saveliev, Vladimir Feofanovich Merezhro, Alexandr Alexandrovich Vestman, Vitaly Evgenievich Strizhenko, Viktor Sergeevich Pravdin, Veniamin Veniaminovich Fulmakht, Boris Vasilievich Fitilev, Dmitry Petrovich Evteev, Alexandr Grigorievich Salenek, Georgy Fedotovich Dadykin, Ivan Savelievich Onuchko, Nikolai Nikitovich Golodov, Jury Alexandrovich Kamensky