Inventor · disambiguated record
Stefan Wigger
Also filed as: WIGGER STEFAN
5 granted patents·67 citations·filing 1996–2001
80Inventor score
Top patents by PatentIndex Score
5 records- 0173US6503344B2Boronizing agent in paste formHOUGHTON DURFERRIT GMBH·Filed 2001·Granted Jan 7, 2003·15 cites·16 claims
- 0263US6245162B1Boriding agentHOUGHTON DURFERRIT GMBH·Filed 1999·Granted Jun 12, 2001·27 cites·11 claims
- 0357US5769906AProcess for recovering the salt constituents from hardening-shop salt bathsDURFERRIT THERMOTECHNIK GMBH·Filed 1996·Granted Jun 23, 1998·17 cites·2 claims
- 0451US6964712B2Hardening protection compositions for partial carburization of metallic componentsDURFERRIT GMBH·Filed 2001·Granted Nov 15, 2005·2 cites·15 claims
- 0538US5846501AProcess for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrateDURFERRIT THERMOTECHNIK GMBH·Filed 1997·Granted Dec 8, 1998·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →