Inventor · disambiguated record
Franz Dellen
Also filed as: DELLEN FRANZ
4 granted patents·17 citations·filing 1988–2017
70Inventor score
Top patents by PatentIndex Score
4 records- 0169US7428897B2Controllable two way valve devicePIERBURG GMBH·Filed 2005·Granted Sep 30, 2008·7 cites·19 claims
- 0260US10954866B2Flap device for an internal combustion enginePIERBURG GMBH·Filed 2017·Granted Mar 23, 2021·1 cites·13 claims
- 0336US5826554APressure relief means for a thin wall, air intake pipe for an internal combustion enginePIERBURG AG·Filed 1997·Granted Oct 27, 1998·8 cites·9 claims
- 0418US4819918AApparatus for the protection of a liquid against the effects of oxygen from the surroundingsRHEINISCHE MASCHINENFABRIK & E·Filed 1988·Granted Apr 11, 1989·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →