Patents by Inventor Gerhard Seulen

Gerhard Seulen 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).

  • Apparatus for the inductive hardening of workpieces rotatable around a rotational axis
    Patent number: 3967089
    Abstract: Apparatus for inductive hardening of the bearings of crankshafts by a rotational process, wherein various parts of the surface of the workpieces are heated by variably shaped inductors, and wherein the workpiece is loaded horizontally with a hardening carriage, which supports a transformer plate for supporting a transformer connected to a medium frequency current source and an inductor attached to the transformer plate, and an automatic control to move the transformer plate to load and unload separate inductors for treating variably shaped workpiece surfaces.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: June 29, 1976
    Assignee: AEG-Elotherm G.m.b.H.
    Inventors: Gerhard Seulen, Friedhelm Reinke, Edgar Stengel