WL

Walter Lehmann

HQ Heraeus Quarzglas: 2 patents #6 of 35Top 20%
Overall (2017): #94,982 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9828691 Silicon block, method for producing the same, crucible of transparent or opaque fused silica suited for performing the method, and method for the production thereof Christian Schenk, Gerrit Scheich, Nils Christian Nielsen, Bernhard Freudenberg, Kaspars DADZIS +3 more 2017-11-28
9580348 Method for producing synthetic quartz glass granules Achim Hofmann, Thomas Kayser, Martin Arndt 2017-02-28