Inventor · disambiguated record
Stephan Ammermann
Also filed as: AMMERMANN STEPHAN
1 granted patent·2 pending applications·3 citations·filing 2007–2009
20Inventor score
Technology areasF02M
Top patents by PatentIndex Score
3 records- 0147US8157904B2Activated carbon filter unit for a tank systemAMMERMANN STEPHAN·Filed 2009·Granted Apr 17, 2012·3 cites·18 claims
- 0228US2009101119A1Carbon canister cap with integrated deviceKAYSER AUTOMOTIVE SYSTEMS GMBH·Filed 2008·Application pending·0 cites
- 0326US2008223343A1Fuel vapor control apparatusKAYSER AUTOMOTIVE SYSTEMS GMBH·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →