Patents by Inventor Martin A. Ryan

Martin A. Ryan 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 making a multi-layer injection blow molded container
    Patent number: 4568261
    Abstract: Apparatus for making a rigid container by injection molding a parison having plural layers of polymers. The parison is blow molded to the final shape of the container. Control during injection is exercised over each of the plural polymers so as to produce uninterrupted layers extending throughout the walls of the parison and to insure that the interior layers are completely encapsulated within the outer layers.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: February 4, 1986
    Assignee: American Can Company
    Inventors: Robert J. McHenry, Martin A. Ryan
  • Apparatus for making a multi-layer injection blow molded container
    Patent number: 4525134
    Abstract: Apparatus for making a rigid container by injection molding a parison having plural layers of polymers. The parison is blow molded to the final shape of the container. Control during injection is exercised over each of the plural polymers so as to produce uninterrupted layers extending throughout the walls of the parison and to insure that the interior layers are completely encapsulated within the outer layers.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: June 25, 1985
    Assignee: American Can Company
    Inventors: Robert J. McHenry, Martin A. Ryan