ED

Erich Dornberger

WA Wacker Chemie Ag: 4 patents #229 of 1,324Top 20%
Overall (All Time): #419,742 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9481578 Polycrystalline silicon rod and process for production thereof Martin Weber, Michael Kerscher, Heinz Kraus, Reiner Pech 2016-11-01
9446957 Polycrystalline silicon rod and method for producing polysilicon Mikhail Sofin, Reiner Pech 2016-09-20
8999516 Polycrystalline silicon rod and process for production thereof Martin Weber, Michael Kerscher, Heinz Kraus, Reiner Pech 2015-04-07
8747794 Polycrystalline silicon and method for production thereof Reiner Pech 2014-06-10
6267815 Method for pulling a single crystal Andreas Ehlert, Wilfried Ammon 2001-07-31
6153008 Device and method for pulling a single crystal Wilfried von Ammon, Hans Olkrug, Franz Segieth 2000-11-28
6015460 Method and apparatus for pulling a monocrystal Wilfried von Ammon 2000-01-18
5951753 Method and device for producing monocrystals Hans Olkrug, Wilfried von Ammon, Dieter Graf 1999-09-14
5868831 Process for controlling the growth of a crystal Wilfried von Ammon, Hans Olkrug, Franz Wasmeier, Francois Dupret, Vincent Wertz +1 more 1999-02-09
5759261 Method for pulling a monocrystal Wilfried von Ammon 1998-06-02
5567399 Apparatus for producing a single crystal Wilfried von Ammon, Herber Weidner, Alfred Pardubitzki 1996-10-22
5487354 Method for pulling a silicon single crystal Wilfried von Ammon, Hans Oelkrug, Peter Gerlach, Franz Segieth 1996-01-30