Patents by Inventor Valentin Y. Khaimov-Malkov

Valentin Y. Khaimov-Malkov 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 growing monocrystals of corundum from a melt
    Patent number: 4303465
    Abstract: A method for growing corundum monocrystals from a melt, and a heater in a device for carrying said method into effect.According to the method the growth process of corundum monocrystals uses alumina placed in a container which is made of a group VI metal of the periodic table, and having a melting point above 2300.degree. C. The growth process occurs in a shielding atmosphere with the use of Joule heating by passing the container with the melt through a temperature gradient effective across the crystallization zone.The resistive heater used in the device is made as a bifilar coil of a solid tungsten bar.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: December 1, 1981
    Inventors: Khachik S. Bagdasarov, Valentin Y. Khaimov-Malkov, Nikolai P. Ilin, Jury A. Starostin, Evgeny A. Fedorov, Nikolai I. Sedakov