Patents by Inventor Alfred Hediger

Alfred Hediger 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).

  • Measurement sensor for the detection of temperatures in metal or alloy melts
    Patent number: 4995733
    Abstract: The invention concerns a measurement sensor for the detection of temperatures in metal or alloy melts. This measurement sensor consists of a thermocouple (41) surrounded by a ceramic capillary (24) which is closed at its end by means of an adhesive (45) or the like. This measurement sensor is directly, i.e. without further sheathing, introduced into the melt (FIG. 3a).
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: February 26, 1991
    Assignee: Leybold Aktiengesellschaft
    Inventors: Friedrich-Werner Thomas, Jurgen Schadlich-Stubenrauch, Alfred Hediger