Patents by Inventor Karl-Ernest VON Eckardstein

Karl-Ernest VON Eckardstein 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: 3976092
    Abstract: Apparatus for distributing concrete comprises a jib rotatably mounted on a tower, with a conveyor pipe line mounted on the end thereof so as to be movable about horizontal and vertical axes. The pipe line is formed in several sections which are connected one below the other by pivotal joints with horizontal axes.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: August 24, 1976
    Assignee: Friedrich Wilhelm Schwing GmbH
    Inventors: Joachim Coja, Karl-Ernest VON Eckardstein, Bernhard Meinken