Assignee
ACKERMANN STEFFEN
DE·3 granted patents·44 citations·filing 2009–2012
Top patents by PatentIndex Score
3 records- 0191US8888882B2Filter mechanism for internal combustion enginesACKERMANN STEFFEN·Filed 2012·Granted Nov 18, 2014·13 cites·15 claims
- 0290US8246702B2Filter mechanism for internal combustion enginesACKERMANN STEFFEN·Filed 2009·Granted Aug 21, 2012·24 cites·22 claims
- 0384US8523973B2Filter element for fluid filtration, in particular for intake air of internal combustion enginesACKERMANN STEFFEN·Filed 2012·Granted Sep 3, 2013·7 cites·11 claims
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