Assignee
RUHLAND HELMUT HANS
DE·3 granted patents·19 citations·filing 2009–2012
Top patents by PatentIndex Score
3 records- 0181US8402943B2Method for controlling spark for particulate filter regeneratingRUHLAND HELMUT HANS·Filed 2012·Granted Mar 26, 2013·4 cites·19 claims
- 0281US8136505B2Method for controlling spark for particulate filter regeneratingRUHLAND HELMUT HANS·Filed 2009·Granted Mar 20, 2012·12 cites·18 claims
- 0374US8833060B2Method for operating a spark-ignition internal combustion engine with exhaust gas aftertreatmentRUHLAND HELMUT HANS·Filed 2012·Granted Sep 16, 2014·3 cites·7 claims
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