Patents by Inventor Karl Ehrlich

Karl Ehrlich 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).

  • Highly heat resistant austenitic iron-nickel-chromium alloys which are resistant to neutron induced swelling and corrosion by liquid sodium
    Patent number: 4385933
    Abstract: A highly heat resistant, austenitic, iron-nickel-chromium alloy which is resistant to neutron induced swelling and to corrosion by liquid sodium, containing 8.0% to 15.0% by weight, chromium and 14.5% to 25.5%, by weight, nickel. When nickel is present in an amount of 14.0% to 21.0% by weight, the percent by weight of chromium present is less than or equal to 0.66.times.(the percentage of nickel)+1.6%.
    Type: Grant
    Filed: June 2, 1981
    Date of Patent: May 31, 1983
    Assignee: Kernforschungszentrum Karlsruhe GmbH
    Inventors: Karl Ehrlich, Waman Vaidya, Ludwig Schafer