Patents by Inventor John K. Laberteaux

John K. Laberteaux 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).

  • Maintaining the selective removal of H.sub.2 S from a variably flowing gas stream containing H.sub.2 S and CO.sub.2
    Patent number: 4198387
    Abstract: A method and apparatus for selectively removing H.sub.2 S from a gas stream containing H.sub.2 S and CO.sub.2 and having a variable flow rate. The absorption system is divided into at least two absorption columns which are connected in parallel and contain at least two individual absorption volumes connected in series in which the gas and absorbent solution can countercurrently contact each other. The absorption system has means to control the passage of the fluid streams to each absorption column and the absorbent solution through the individual absorption volumes.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: April 15, 1980
    Assignee: Bethlehem Steel Corporation
    Inventors: Joseph A. Laslo, John K. Laberteaux