Patents by Inventor Michael A Ragno

Michael A Ragno 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).

  • Process for forming fluid flow conduit systems and products thereof
    Patent number: 5810958
    Abstract: There is disclosed a process for bonding a rigid thermoplastic vessel to a flexible thermoplastic conduit using electromagnetic bonding techniques wherein the flexible thermoplastic conduit is configured to provide close fitting relationship under compressive pressure forces to a cooperating element of the rigid thermoplastic vessel between which is positioned an electromagnetic bonding adhesive prior to applying an electromagnetic force.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: September 22, 1998
    Assignee: Ashland, Inc.
    Inventors: Michael A Ragno, Michael H. Topping