WL

Walter Lehmann

HQ Heraeus Quarzglas: 2 patents #1 of 36Top 3%
Overall (2019): #108,595 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10336645 Rare earth metal-doped quartz glass and method for producing the same Hardy Baierl, Stephan Grimm, Kay Schuster, Jan Dellith, Andreas Langner +2 more 2019-07-02
10287705 Pulling a semiconductor single crystal according to the Czochralski method and silica glass crucible suitable therefor Michael Hünermann, Thomas Kayser 2019-05-14