Patents by Inventor Marcel Rottermann

Marcel Rottermann 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 for mechanically emptying powdery substances into a container, and device for carrying out the process
    Patent number: 4029133
    Abstract: A process for mechanically emptying powdery substances into a container, while the filling space rotates during the filling step. The invention relates further to a device for carrying out the process. The device has a cover that can be tightly set upon the filling hole of a container and co-rotates therewith during the filling step. The cover is provided with centrally arranged filling and air outlet channels, forming an annular space with the surrounding cover. The cover is provided with means that increases the filling space volume during filling, and reduces the volume of the filling space by the additional volume after the filling process.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: June 14, 1977
    Assignee: Gericke AG, Maschinenfabrik
    Inventors: Robert Rottermann, Marcel Rottermann