Patents Assigned to Carl Still GmbH & Co. KG., Firma
  • Patent number: 4263101
    Abstract: A coke oven door assembly includes a door body having a plurality of plates vertically disposed in series. Refractory blocks attached to the plates include overlapping side portions in spaced relationship with their adjacent ends. The plates are tiltingly interconnected with each other.
    Type: Grant
    Filed: April 29, 1980
    Date of Patent: April 21, 1981
    Assignee: Carl Still GmbH & Co. KG., Firma
    Inventors: Friedrich Thiersch, August Lucas