Patents by Inventor Manfred Gutjahr

Manfred Gutjahr 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).

  • Method for the manufacture of iron-containing sintered electrodes
    Patent number: 4236927
    Abstract: A method for manufacturing an iron-containing sintered electrode for alkaline accumulators as well as the product obtained by such method, in which iron powder and at least one reducible iron compound are intimately mixed with each other; the powder mixture is sintered into a stable body and the reducible iron compound is reduced to highly active iron.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: December 2, 1980
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Horst Buhl, Manfred Gutjahr