Inventor · disambiguated record
Winfried Grafen
Also filed as: GRAEFEN WINFRIED · GRAFEN WINFRIED
3 granted patents·2 pending applications·15 citations·filing 1996–2010
63Inventor score
Top patents by PatentIndex Score
5 records- 0143US5717186AMethod and device for controlling the electric current density across a workpiece during heat treatment in a plasmaIPSEN IND INT GMBH·Filed 1996·Granted Feb 10, 1998·8 cites·5 claims
- 0239US2006150907A1Method and device for blacking componentsLERCHE WOLFGANG·Filed 2006·Application pending·0 cites
- 0338US2011067784A1Process for the low-pressure carburisation of metal workpiecesHANOMAG HARTECT GMBH·Filed 2010·Application pending·0 cites
- 0437US7160576B2Method and device for blacking componentsIPSEN INT GMBH·Filed 2003·Granted Jan 9, 2007·0 cites·9 claims
- 0535US5851314AMethod for plasma carburization of metal workpiecesIPSEN IND INT GMBH·Filed 1996·Granted Dec 22, 1998·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →