Patents by Inventor Tatyana N. Shiskina

Tatyana N. Shiskina 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: 5308232
    Abstract: The invention relates to powder metallurgy. The invention involves deforming combustion products by extrusion at an extrusion temperature chose in the range from 0.3T.sub.1 to T.sub.2, wherein T.sub.1 is the melting point of a hard phase of the combustion products and T.sub.2 is the melting point of a binder material in a container (5) made up of vertically extending segments (12) defining spaces (13) with one another and having a die (14) and a heat insulated sizing member (17) the temperature conditions of extrusion being controlled by a unit (21) having a temperature sensor (22) and a member (23) receiving information from the sensor (22) and sending a command for moving the punch (10).
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: May 3, 1994
    Assignee: Institut Strukturnoi Makrokinetiki Akademii Nauk SSSR
    Inventors: Alexandr G. Merzhanov, Alexandr M. Stolin, Vadim V. Podlesov, Leonid M. Buchatsky, Tatyana N. Shiskina