Patents Represented by Attorney Clyde V. Erwin, Jr.

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  • Compact contacting device
    Patent number: 5363909
    Abstract: An apparatus comprising a rotatable mass of structured packing for mass or heat transfer between two contacting fluids of different densities wherein the packing mass is made up of corrugated sheets of involute shape relative to the axis of the packing mass and form a logarithmic spiral curved counter to the direction of rotation.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: November 15, 1994
    Assignee: Praxair Technology, Inc.
    Inventors: Arun Acharya, Christian F. Gottzmann, Michael J. Lockett, James S. Schneider, Richard A. Victor, Robert Zawierucha
  • Cryogenic air separation using random packing
    Patent number: 5237823
    Abstract: A cryogenic air separation system using a random packing section below a section of structured packing and redistributing liquid between sets of random and structured Packing sections.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: August 24, 1993
    Assignee: Praxair Technology, Inc.
    Inventors: Harry Cheung, Michael J. Lockett, Richard A. Victor