Inventor

DIEZ RAINER

DE4 patents

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

BOYSEN FRIEDRICH GMBH CO KG

2 patents

US8341952B2Jan 1, 2013

Exhaust manifold

BOYSEN FRIEDRICH GMBH CO KG2 citations53

US7971431B2Jul 5, 2011

Exhaust gas system

BOYSEN FRIEDRICH GMBH CO KG2 citations53

FRIEDERICH BOYSEN GMBH & CO KG

1 patent

US7578124B2Aug 25, 2009

Exhaust system of a combustion engine

FRIEDERICH BOYSEN GMBH & CO KG10 citations74

BOYSEN GMBH & CO KG

1 patent

US6899853B1May 31, 2005

Exhaust gas purification system

BOYSEN GMBH & CO KG15 citations72