Patents by Inventor Imre G. Racz

Imre G. Racz 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).

  • Counter-current membrane module for liquid separation
    Patent number: 5143613
    Abstract: A counter-current flow membrane module for liquid separations consisting of a body comprising hollow fiber membranes wherein the hollow fiber membranes are arranged transversely of the longitudinal axis of the module and the channels in the hollow fibers are connected to spaces present around the body which is furthermore surrounded by a shell. The module comprises two or more transverse current flow (cross-flow) segments formed by seals between the body and the shell, wherein at least one fiber layer or fiber fabric is applied per segment.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: September 1, 1992
    Assignee: Shell Oil Company
    Inventors: Johan G. A. Bitter, Harry Futselaar, Imre G. Racz