Patents by Inventor Bo Christer Welander

Bo Christer Welander 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).

  • Distributing and poking machine for metallurgical furnaces
    Patent number: 4122296
    Abstract: An improved device for distributing and stirring the contents of a furnace having a plurality of vertically disposed electrodes, said improved device including a circular track disposed adjacent the upper periphery of said furnace, a first transport carriage, motor means for moving said first transport carriage, an elongated non-circular trackway supported by said first transport carriage, a second transport carriage, a non-circular trackway, means to move said second transport carriage back and forth, a furnace contents working device connected to said second transport carriage, and means to vary the angular disposition of said furnace contents working device.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: October 24, 1978
    Assignees: Dango & Dienenthal, KemaNobel AB
    Inventors: Otto Hummler, Bo Christer Welander