Patents by Inventor Hans Hackner

Hans Hackner 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).

  • Process and apparatus for filling foldable or rigid packages
    Patent number: 3995408
    Abstract: A process and associated apparatus for filling packages with free-flowing solids through spouts, in which some of the material is initially fed to the package with the latter in its gravity position, the position of the package is changed once or a number of times with shaking of the entire package, and finally the remainder of the material is filled into the package with the latter in its gravity position.
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: December 7, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Guenther, Gunter Thielen, Hans Hackner, Friedrich Ferdinand Hauptstein