Patents by Inventor Heinz Hunger

Heinz Hunger 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).

  • Double-walled pipeline system
    Patent number: 4925218
    Abstract: A double-walled pipeline system for flow media with an inner pipeline conduit including fittings, such as, T-pieces, angles, or bends, and instruments, such as, valves, stopcocks, etc., and with an outer pipeline conduit arranged concentrically to the inner pipeline conduit. The outer pipeline conduit includes two-part fittings and instrument casings, so that continuously connected outer annular space is formed in the pipeline system.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: May 15, 1990
    Assignee: Georg Fischer AG
    Inventors: Peter Kunz, Heinz Hunger, Jorg Wermelinger