Patents by Inventor Thilo Merkt

Thilo Merkt 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).

  • Propeller shaped agitator
    Patent number: 5385448
    Abstract: A multibladed propeller shaped agitator includes a plurality of impellers having made blades, blade roots and hub segments made of plastic material. A metallic hub element is inlaid only in the hub segment. The impellers are connected to the hub segment such that stress peaks, imparted from a driving force, in the region of the blades, blade roots and hub segments are substantially prevented.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: January 31, 1995
    Assignee: KSB Aktiengesellschaft
    Inventors: Thilo Merkt, Horst Schafer, Gunter Feldle, Oskar Gabler