Patents by Inventor Isidor I. Frumin

Isidor I. Frumin 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).

  • Patent number: 4506865
    Abstract: A valve housing has butt pipes for connection to a pipeline for defining therewith a passage for a flow of a fluid being conveyed, preferably of a slurry. A plurality of ribs are provided along the passage on the lower portion of the wall thereof, each rib extending transversely of the passage. Each rib is of a tear-shaped configuration in its section taken along the longitudinal centerline of the passage, the enlarged portion of the rib facing toward the incoming flow of a fluid being conveyed.
    Type: Grant
    Filed: January 13, 1984
    Date of Patent: March 26, 1985
    Inventors: Boris F. Bragin, Petr V. Gladky, Felix D. Markuntovich, Evgeny F. Perepletchikov, Isidor I. Frumin, Boris Y. Ekber
  • Patent number: 4305451
    Abstract: An electroslag remelting and surfacing apparatus having a cooled mould comprising a plurality of superimposed sleeves which are electrically insulated from one another. The top sleeve of the mould, being substantially a non-consumable electrode, has a current lead and a lining of electrically conducting material. If provided with a radial electrically insulating layer, it may also serve as a single-coil inductor adapted to impart a rotary motion to the slag pool.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: December 15, 1981
    Inventors: Georgy V. Ksendzyk, Isidor I. Frumin, Vladimir S. Shirin
  • Patent number: 4190017
    Abstract: A tank furnace comprises a first container containing a molten flux and connected with a hoisting mechanism, and a second container containing a molten coating metal. The second container is stationary mounted so as to be placed inside the first container when in its upper position. The mechanism for advancing articles into the coating zone is connected with a device for controlling the depth of immersion of the articles being coated. The first container is fitted with electrodes.
    Type: Grant
    Filed: January 10, 1978
    Date of Patent: February 26, 1980
    Inventors: Nikolai K. Bizik, Isidor I. Frumin, Vladimir P. Sotchenko, Valery F. Barabash, Petr F. Chernyak, Evgeny I. Frumin, Grigory B. Asoiants, Vadim A. Kulesha, Viktor A. Golomazov, Dias A. Ibragimov, Nikolai I. Kozhevnikov, Nikolai P. Chernenko, Vitaly S. Starchenko, Alexei S. Kalosha
  • Patent number: 4185682
    Abstract: An electroslag remelting and surfacing apparatus having a cooled mould comprising a plurality of superimposed sleeves which are electrically insulated from one another. The top sleeve of the mould, being substantially a non-consumable electrode, has a current lead and a lining of electrically conducting material. If provided with a radial electrically insulating layer, it may also serve as a single-coil inductor adapted to impart a rotary motion to the slag pool.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: January 29, 1980
    Inventors: Georgy V. Ksendzyk, Isidor I. Frumin, Vladimir S. Shirin