Patents by Inventor Armin SANDNER

Armin SANDNER 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 the preparation of polycrystalline silicon
    Patent number: 10400329
    Abstract: Siemens reactors for polysilicon deposition may employ faster and/or more economical deposition conditions without reduction in yield, by pre-sorting polysilicon rods into different quality classifications prior to comminution, and further sorting the polysilicon fragments in each classification into further classifications.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: September 3, 2019
    Assignee: WACKER CHEMIE AG
    Inventors: Michael Kerscher, Reiner Pech, Armin Sandner
  • PROCESS FOR THE PREPARATION OF POLYCRYSTALLINE SILICON
    Publication number: 20160068949
    Abstract: Siemens reactors for polysilicon deposition may employ faster and/or more economical deposition conditions without reduction in yield, by pre-sorting polysilicon rods into different quality classifications prior to comminution, and further sorting the polysilicon fragments in each classification into further classifications.
    Type: Application
    Filed: March 24, 2014
    Publication date: March 10, 2016
    Inventors: Michael KERSCHER, Reiner PECH, Armin SANDNER