Patents by Inventor Gerald N. Matthews

Gerald N. Matthews 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).

  • Ultrasonic dip soldering process
    Patent number: 4339066
    Abstract: Apparatus and method of venting a plate fin coil during the ultrasonic soldering of aluminum return bend tubes to the heat exchange tubes in the coil. The apparatus includes a snorkel member arranged on the heat exchanger carrying mechanism whereby one end of the snorkel is telescoped in the open end of a heat exchange tube forming an end of a circuit in the coil, with the other end communicating with the atmosphere, whereby pressure in the interior of the circuit is relieved when the coil is immersed in the solder bath.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: July 13, 1982
    Assignee: General Electric Company
    Inventors: Gerald N. Matthews, Frank H. Sanders