Patents by Inventor John C. Bohn

John C. Bohn 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).

  • Plate heat exchanger
    Patent number: 5056590
    Abstract: Heat exchanger plates for stacked flat plate heat exchangers include tapered collars for alignment of one plate relative to another in the stack. The tapered collar extends from the major surface portion of the plate and is tapered so as to have a constricted free end. The collar of one plate receive a collar of a neighboring plates as the plates of the stack are internested one in another. The collars are wedgingly engaged one in another to provide accurate alignment of the heat exchanger plates.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: October 15, 1991
    Assignee: The Cherry-Burrell Corporation
    Inventor: John C. Bohn