Patents by Inventor Robert Zawierucha

Robert Zawierucha 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).

  • 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
  • Variable density structured packing cryogenic distillation system
    Patent number: 5100448
    Abstract: A cryogenic distillation system employing a multisection column wherein structure packing of different packing density is employed in at least two sections of the column.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: March 31, 1992
    Assignee: Union Carbide Industrial Gases Technology Corporation
    Inventors: Michael J. Lockett, Richard A. Victor, Robert Zawierucha, Kenneth McIlroy, Scott L. Cooper
  • Corrosion protected reversing heat exchanger
    Patent number: 4473110
    Abstract: A reversing heat exchanger of the plate and fin type having multiple aluminum parting sheets in a stacked arrangement with corrugated fins separating the sheets to form multiple flow paths, means for closing the ends of the sheets, an input manifold arrangement of headers for the warm end of the exchanger and an output manifold arrangement for the cold end of the exchanger with the input air feed stream header and the waste gas exhaust header having an alloy of zinc and aluminum coated on the inside surface for providing corrosion protection to the stack.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: September 25, 1984
    Assignee: Union Carbide Corporation
    Inventor: Robert Zawierucha