Patents by Inventor Janusz B. Ziemianek

Janusz B. Ziemianek 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).

  • Patent number: 4955323
    Abstract: A fired heater in which at least a portion of a tube extends within an enclosure and receives fluid from a manifold disposed externally of the enclosure via a conduit. At least a portion of the conduit extends within the enclosure so that, when heat is applied to the enclosure for heating the fluid the fluid in the conduit is preheated.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: September 11, 1990
    Assignee: Foster Wheeler USA Corporation
    Inventor: Janusz B. Ziemianek