Patents by Inventor Dietrich E. Kattermann

Dietrich E. Kattermann 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).

  • Cell flow distributors
    Patent number: 4233146
    Abstract: A distributor comprising two substantially parallel covering sheets separated by a plurality of inserts provides uniform fluid flow through a cell and, consequently, improved cell efficiency. Additionally, the distributor, positioned between a cell's fluid inlet port and membrane spacer, reduces membrane flexing along the line where the spacer and adjoining gasket interface, thus diminishing the incidence of early membrane failure.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: November 11, 1980
    Assignee: Allied Chemical Corporation
    Inventors: Noel Y. Rothmayer, Preston Keusch, Dietrich E. Kattermann