Inventor

DELLEN FRANZ

DE4 patents

⚠️ This page may combine multiple inventors who share the name “DELLEN FRANZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIERBURG GMBH

2 patents

US7428897B2Sep 30, 2008

Controllable two way valve device

PIERBURG GMBH7 citations69

US10954866B2Mar 23, 2021

Flap device for an internal combustion engine

PIERBURG GMBH1 citations47

PIERBURG AG

1 patent

US5826554AOct 27, 1998

Pressure relief means for a thin wall, air intake pipe for an internal combustion engine

PIERBURG AG8 citations70

RHEINISCHE MASCHINENFABRIK & E

1 patent

US4819918AApr 11, 1989

Apparatus for the protection of a liquid against the effects of oxygen from the surroundings

RHEINISCHE MASCHINENFABRIK & E1 citations39