Patents by Inventor Roberto Colangelo

Roberto Colangelo 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).

  • Laser bonding of heat exchanger tubes
    Publication number: 20030029040
    Abstract: A process of producing a plastic heat exchanger where a multiplicity of tubes are welded to tube headers having raised collars surrounding each of the tubes, using an infrared energy source such as a laser to melt-bond the tubes to the collars.
    Type: Application
    Filed: March 3, 2000
    Publication date: February 13, 2003
    Inventors: Anthony Joseph Cesaroni, Jack Lorne Tontegode, Roberto Colangelo