Patents by Inventor Paul Barbero

Paul Barbero 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 welding thermoplastic frame members
    Patent number: 4909892
    Abstract: An apparatus for simultaneously welding two or more pairs of thermoplastic frame elements is disclosed. The apparatus includes a clamp or jig assembly which maintains the frame elements in alignment with respect to each other and to a heating plate. A driving assembly is provided for moving the frame elements towards the heating plate and/or towards each other for heating and fusion.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: March 20, 1990
    Assignee: Sampson Machine Company
    Inventors: Robert Quinn, Louis Sparacino, John Grandy, Paul Barbero
  • Frame piece joining apparatus and jig therefor
    Patent number: 4828239
    Abstract: A multi-element clamp is used in association with a frame corner welding apparatus. The clamp or jig consists of a base element, a floating element and a clamp element. The floating element is bias coupled to the base element and when driven to clamp position serves as a clamp, with respect to the base element and is converted to a base element with respect to the clamp element.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: May 9, 1989
    Inventors: John Grandy, Paul Barbero, Robert Quinn, Louis Sparacino