Patents Represented by Attorney Wiliam E. Hickman

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  • Gas-liquid contacting tray
    Patent number: 7232115
    Abstract: A gas-liquid contacting tray equipped with downcomers having sidewalls with liquid outlet openings, which openings are provided with a liquid guiding device such as a lip or a spout. In one embodiment the contacting tray constitutes an upper tray having downcomer(s) which are arranged in parallel, and symmetrically, with downcomers on a lower tray.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: June 19, 2007
    Assignee: Shell Oil Company
    Inventor: Asheesh Viswanatha Sastry