Patents by Inventor Friedhelm Milde

Friedhelm Milde 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).

  • Patent number: 4425658
    Abstract: An electrode and conductor arrangement for a three-phase electric arc furnace supplied with power from a transformer, including three electrodes which extend downwardly into the furnace, and a plurality of current conducting paths each composed of a rigid conductor, which is conductively connected to a respective electrode and a flexible conductor connected in series between the rigid conductor and the transformer, the rigid conductors extending parallel to one another, the electrodes being spaced from one another in the horizontal direction transverse to the longitudinal axes of the rigid conductors, in which the conducting paths associated with the center electrode are spaced a minimum distance, in the horizontal direction transverse to the longitudinal axes of the rigid conductors, from the conducting paths associated with each of the outer electrodes, there are only two conducting paths, spaced vertically apart, connected to each outer electrode, the vertical spacing between the two conducting paths assoc
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: January 10, 1984
    Assignee: Fried. Krupp Gesellschaft mit beschrankter Haftung
    Inventors: Karlheinz Bretthauer, Friedhelm Milde