Patents by Inventor Spyridion Christou

Spyridion Christou 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).

  • Arrangement on electric induction furnaces for the determination of the filling level of the liquid melting material
    Patent number: 3987236
    Abstract: The invention is an improved detector system for determining and indicating the level of a molten charge within a furnace. The system can determine the level of the charge without the need for having contacts or other sensing devices within the furnace by sensing impedance changes in the furnace's heating coils.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: October 19, 1976
    Assignee: AEG-Elotherm G.m.b.H.
    Inventors: Henning Kohler, Karl-Ludwig Morkramer, Spyridion Christou