Inventor
PFLEGER HARTMUT
DE4 patents
Patents
4 patentsUS5572981ANov 12, 1996
Method for monitoring the functional capability of a tank venting system for a motor vehicle
SIEMENS AG37 citations91
US6314723B1Nov 13, 2001
Method of checking the functional capability of a catalytic converter
SIEMENS AG17 citations81
US5499613AMar 19, 1996
Method for monitoring a tank venting system that traps fuel vapors and feeds them to an internal combustion engine
SIEMENS AG13 citations71
US5505075AApr 9, 1996
Method for recognizing stretches of rough road with the aid of a tank pressure sensor
SIEMENS AG4 citations61