Patents by Inventor Willi Ernst

Willi Ernst 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).

  • Installation for the automatic feed of welding wires
    Patent number: 3990620
    Abstract: An installation for the automatic feed of welding wires for a welding torch provided for the treatment of workpieces, in which means are provided to weld together the welding wires supplied in rod shape in a fully automatic manner by welding the same together into an endless rod with simultaneous continued forward movement of the welding wires in the direction toward the welding torch.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: November 9, 1976
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Otmar Gellner, Willi Ernst