Inventor

ERTL STEFAN

DE4 patents

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

MAHLE GMBH

1 patent

US6623240B2Sep 23, 2003

Guide blade-adjusting device for a turbocharger

MAHLE GMBH27 citations86

ZELLWEGER USTER AG

1 patent

US4625543ADec 2, 1986

Method and device for calibrating an analyzer for measuring low ion activity values in a sample stream

ZELLWEGER USTER AG10 citations63

SESOTEC GMBH

1 patent

US11136203B2Oct 5, 2021

Material diverter and separator

SESOTEC GMBH0 citations51

AIRBUS OPERATIONS GMBH

1 patent

US9457303B2Oct 4, 2016

Particle separator for an air conduit, air distribution system, use of a particle separator and aircraft

AIRBUS OPERATIONS GMBH0 citations29