Patents by Inventor Gerd Herre

Gerd Herre 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).

  • Process and device for introducing bulk material into a rotary hearth furnace
    Patent number: 5944514
    Abstract: A process for feeding bulk material onto a belt of a rotary hearth furnace, which has hoods that cover the hearth belt in such a manner as to form a ring.The bulk material is deposited on a transport device at a layer thickness proportionately dependent on the distance to the rotary hearth center. The transport speed of the transport device is set at a certain value; the surface of the bulk material is smoothed; and then the bulk material is distributed at a constant layer height over the entire width of the hearth belt.
    Type: Grant
    Filed: April 21, 1998
    Date of Patent: August 31, 1999
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Ulrich Pohl, Hermann Cepin, Hartmut Schmieden, Gerd Herre
  • Charging electro furnaces
    Patent number: 4702461
    Abstract: An electro furnace for metallurgic operations has its top connected to a vertically extending cylinder, into which a charge pipe leads at an oblique angle. A ceramic plug glides in the cylinder in piston like fashion for selective opening and closing the opening from said charge pipe. Any burden and ore mixture will therefore fall freely from the charge pipe whenever the plug is shifted up to open the gate.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: October 27, 1987
    Assignee: Mannesmann AG
    Inventors: Emil Herre, Gerd Herre, Guenter Zimmer, Hermann Cepin