Patents by Inventor Gordon R. Creighton

Gordon R. Creighton 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).

  • Heat exchangers
    Patent number: 4286365
    Abstract: A method of making a heat exchanger consisting of a conduit having a plurality of passes joined by integral return bends which comprises(i) bending two strips of material together in a zigzag manner to form a stack of substantially parallel passes, the two strips being displaced laterally with respect to one another,(ii) bonding the two strips together along lines substantially parallel to their longitudinal edges to form a flat, serpentine conduit, and(iii) inflating the conduit by applying internally a fluid under pressure.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: September 1, 1981
    Assignee: Ciba-Geigy Corporation
    Inventor: Gordon R. Creighton