Patents by Inventor Heinrich Wisnewski

Heinrich Wisnewski 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: 4128414
    Abstract: A method of introducing aluminum wire into steel melts, and apparatus for practicing the method, according to which the wire is by means of a set of driving rollers withdrawn overhead from a bundle at rest and through a guiding member is introduced into the melt.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: December 5, 1978
    Assignee: Hoesch Werke Aktiengesellschaft
    Inventors: Martin Hater, Wolfgang Pluschkell, Heinrich Wisnewski
  • Patent number: 4015475
    Abstract: A method of and device for stripping off a lost measuring head which is detachably placed on the immersible end of a measuring lance and is embedded in a protective tube extending above the measuring lance. According to the method of the invention, compressed air is introduced into the lance within the region of the sealed free end of the lance after pulling the lance for stripping off the lost measuring head.
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: April 5, 1977
    Assignee: Hoesch Werke Aktiengesellschaft
    Inventors: Wolfgang Pluschkell, Heinrich Wisnewski