P

Assignee

HAFT GERHARD

DE4 patents

Top patents by PatentIndex Score

US8600646B2Dec 3, 2013

Method for regulating an air/fuel ratio and method for recognizing a fuel quality

HAFT GERHARD5 citations71
US8113174B2Feb 14, 2012

Method for determining the ethanol content of the fuel in a motor vehicle

HAFT GERHARD5 citations60
US8387445B2Mar 5, 2013

Method and apparatus for determining the ethanol proportion of the fuel in a motor vehicle

HAFT GERHARD2 citations58
US8224553B2Jul 17, 2012

Method and device for operating an internal combustion engine

HAFT GERHARD0 citations30