Patents by Inventor Karl-Ludwig Holl

Karl-Ludwig Holl 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).

  • Grinding machine
    Patent number: D812655
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: March 13, 2018
    Assignee: NETZSCH-Feinmahltechnik GmbH
    Inventor: Karl-Ludwig Holl
  • Agitator bead mill
    Patent number: D812657
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: March 13, 2018
    Assignee: NETZSCH-Feinmahltechnik GmbH
    Inventor: Karl-Ludwig Holl
  • Grinding machine
    Patent number: D837101
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: January 1, 2019
    Assignee: NETZSCH-Feinmahltechnik GmbH
    Inventor: Karl-Ludwig Holl