Patents by Inventor Marvin E. Mellbom

Marvin E. Mellbom 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).

  • Vapor-liquid contacting apparatus
    Patent number: 4129626
    Abstract: A multipass fractionation tray having at least three chordal inlet and three chordal outlet downcomers alternately spaced along the circular periphery of the tray is presented. Liquid is collected from the contacting surfaces of the tray in a corresponding number of troughs which extend radially from approximately the center of the tray to the outlet downcomers. The troughs may serve as structural members which support the perforated decking plates of the tray and which are attached to a centrally located circular connecting ring.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: December 12, 1978
    Assignee: UOP Inc.
    Inventor: Marvin E. Mellbom