Patents by Inventor Asparuh Mihaylov Antonov

Asparuh Mihaylov Antonov 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 and apparatus for fluid die stamping
    Patent number: 4049041
    Abstract: A system for the die stamping of a fluid comprises a male die member which s forced into a die cavity to compress and spread the fluid material therein. A piston in this die member is advanced after the die member is arrested by a shoulder of the female die member to compress gas ahead of this piston and increase the pressure at selected locations along the face of the male member at which cavities are provided to communicate this gas pressure to the fluid.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: September 20, 1977
    Assignee: Institute po Metalosnanie i Technologia na Metalite pri Ban
    Inventors: Ivan Dimov Nikolov, Hristo Georgiev Kortenski, Dimiter Tanev Dimitrov, Asparuh Mihaylov Antonov