Patents by Inventor Karl H. Mahringer, deceased

Karl H. Mahringer, deceased 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: RE31566
    Abstract: A metallurgical vessel includes a cylindrical portion which is supported on a ring carrying a tilting spindle which is mounted for pivotal tilting movement of the vessel. The vessel includes a frustoconical mouth portion at its upper end which terminates in a mouth ring of reinforced construction. The construction includes a cooling arrangement for the mouth portion which comprises a plurality of groups of coils which are wound around the mouth portion and which are advantageously wound in the form of a multistart screw thread. Each group of coils includes an inlet and an outlet which is connected to a distributor through suitable valves. This distributor in turn is connected through a main distribution pipe which extends through an opening in the tilting ring and the tilting spindle and is connected to a source of fluid cooling medium through a rotary seal at the outer end of the tilting spindle.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: April 24, 1984
    Assignee: Mannesmann Demag Aktiengesellschaft
    Inventors: Karl-Heinz Langlitz, Wolfgang Jansa, Karl H. Mahringer, deceased, by Christine Mahringer, heir, by Wolfgang L. Mahringer, heir