Patents by Inventor Stefan Spornberger

Stefan Spornberger 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).

  • Stirred ball mill
    Patent number: 7014134
    Abstract: The horizontally operating stirred ball mill has a cylindrical grinding chamber (50) serving for receiving grinding media, a material inlet (37) arranged at the end of the grinding chamber (50) and opening into the interior (3) of the grinding chamber (50), a material outlet (38) arranged at the other end of the grinding chamber and leading out of the interior (3), a stirrer (1) having a plurality of stirrer members (2) and coaxial with the chamber axis (60), and a separation system present upstream of the material outlet (38) and consisting of a separation member (80) and a drive member which drives said separation member and which separates the grinding media from the ground material and transports them back into the interior (3) of the grinding chamber (50).
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: March 21, 2006
    Assignee: Willy A. Bachofen AG
    Inventors: Martin Heinzelmann, Stefan Spornberger
  • Stirred ball mill
    Publication number: 20050224612
    Abstract: The horizontally operating stirred ball mill has a cylindrical grinding chamber (50) serving for receiving grinding media, a material inlet (37) arranged at the end of the grinding chamber (50) and opening into the interior (3) of the grinding chamber (50), a material outlet (38) arranged at the other end of the grinding chamber and leading out of the interior (3), a stirrer (1) having a plurality of stirrer members (2) and coaxial with the chamber axis (60), and a separation system present upstream of the material outlet (38) and consisting of a separation member (80) and a drive member which drives said separation member and which separates the grinding media from the ground material and transports them back into the interior (3) of the grinding chamber (50).
    Type: Application
    Filed: April 13, 2004
    Publication date: October 13, 2005
    Inventors: Martin Heinzelmann, Stefan Spornberger