SW

Stefan Wigger

DT Durferrit Gmbh Thermotechnik: 2 patents #3 of 11Top 30%
DG Durferrit Gmbh: 1 patents #2 of 6Top 35%
📍 Clausthal-Zellerfeld, DE: #7 of 102 inventorsTop 7%
Overall (All Time): #1,038,334 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6964712 Hardening protection compositions for partial carburization of metallic components Ulrich Baudis 2005-11-15
6503344 Boronizing agent in paste form Ulrich Baudis 2003-01-07
6245162 Boriding agent Ulrich Baudis 2001-06-12
5846501 Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate Matthias Kremer, Georg Wahl, Eberhard Gock, Jorg Kahler 1998-12-08
5769906 Process for recovering the salt constituents from hardening-shop salt baths Mattias Kremer, Georg Wahl, Eberhard Gock, Jorg Kahler 1998-06-23