Inventor · disambiguated record
Stefan Langenfeld
Also filed as: LANGENFELD STEFAN
2 granted patents·70 citations·filing 1999–2010
63Inventor score
Top patents by PatentIndex Score
2 records- 0188US6403164B1Method for protecting a metallic substrate against corrosionINST NEUE MAT GEMEIN GMBH·Filed 1999·Granted Jun 11, 2002·66 cites·20 claims
- 0271US8925534B2Internal combustion engine having a combustion chamber surface coating or surface coating which is close to the combustion chamber and method for producing the coatingBACHMANN MISCHA·Filed 2010·Granted Jan 6, 2015·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →