Patents by Inventor Jan Charzewski

Jan Charzewski 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).

  • Multi-jaw forming press especially suited for details of variable sections
    Patent number: 4942756
    Abstract: The invention solves the problem of working the details of complicated forms and of direct extrusion of material. A press is provided with movable, profiled jaws, a rigid system of guides for the jaws, and, connectors embedded in the jaws and coupled to a driver. The driver is aligned on the connectors which drive the jaws. The press can also include a mould being adjoined to the jaws.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: July 24, 1990
    Inventor: Jan Charzewski