Patents by Inventor Bojidar S. Ivanov

Bojidar S. Ivanov 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).

  • Apparatus for and method of the plastic forming of materials
    Patent number: 4635460
    Abstract: Method of plastically deforming a body of malleable solid material between male and female dies which are forcible pressed together. The material is subjected to repeated identical pressing cycles; in each pressing cycle the force between the dies is concentrated consecutively on separate sections of the surface of the material being deformed. The body may be directly or indirectly extruded into an elongated shape from a location between the male and female dies which is disposed nearest the section of the surface of the material being deformed in each pressing cycle, or it may be deformed between the dies without any appreciable portion thereof escaping from between the dies.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: January 13, 1987
    Assignee: Institute Po Metaloznanie I Technologia Na Metalite
    Inventors: Boyan I. Paunov, Teodor A. Balevski, Bojidar S. Ivanov