Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221002 | Packing of polycrystalline silicon | Joachim Mattes, Matthias VIETZ | 2019-03-05 |
| 9981796 | Packing polycrystalline silicon | Reiner Pech, Matthias VIETZ | 2018-05-29 |
| 9550607 | Packing polycrystalline silicon | Matthias VIETZ, Reiner Pech | 2017-01-24 |
| 8938936 | Method and device for dosing and packaging polysilicon chunks and dosing and packaging unit | Matthias VIETZ, Rainer Hoelzlwimmer | 2015-01-27 |
| 8833042 | Method and device for packaging polycrystalline bulk silicon | Hanns Wochner, Reiner Pech | 2014-09-16 |
| 7694568 | Method for the nondestructive material testing of highly pure polycrystalline silicon | Andreas Hegen, Matthaeus Schantz | 2010-04-13 |
| 6530826 | Process for the surface polishing of silicon wafers | Guido Wenski, Thomas Buschhardt, Heinrich Hennhofer | 2003-03-11 |