Patents by Inventor Daniel R. Summers

Daniel R. Summers 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).

  • High turndown bubble cap tray
    Patent number: 4711745
    Abstract: A bubble cap tray enabling efficient mass transfer over a wide range of vapor-liquid flowrates comprising bubble caps having triangular-shaped openings of substantially equal total area disposed in rows distant from the inlet and proximate the inlet wherein the bubble caps in rows distant from the inlet experience a substantially equal liquid head across the tray and the bubble caps in rows proximate the inlet experience a lesser liquid head than the bubble caps in the rows distant from the inlet.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: December 8, 1987
    Assignee: Union Carbide Corporation
    Inventors: Michael J. Lockett, Daniel R. Summers, Vinson C. Smith, James C. Upchurch