Inventor · disambiguated record
Per-Olof Källen
Also filed as: KALLEN PER-OLOF · KÄLLEN PER-OLOF
4 granted patents·1 pending application·9 citations·filing 2006–2015
63Inventor score
Top patents by PatentIndex Score
5 records- 0172US7434398B2Method for braking with an internal combustion engine having a variable turbo unitVOLVO LASTVAGNAR AB·Filed 2006·Granted Oct 14, 2008·8 cites·3 claims
- 0251US2016003121A1Method for controlling the reductant buffer level in an exhaust gas aftertreatment deviceVOLVO LASTVAGNAR AB·Filed 2015·Application pending·0 cites
- 0350US9243535B2Method for controlling the reductant buffer level in an exhaust gas aftertreatment deviceDAHL JOHAN·Filed 2009·Granted Jan 26, 2016·1 cites·19 claims
- 0449US10352217B2Method for controlling the injection of reductant for an exhaust after treatment unitVOLVO TRUCK CORP·Filed 2015·Granted Jul 16, 2019·0 cites·24 claims
- 0538US9327240B2Method and system for estimating reagent qualityBLANCKENFIELL MAGNUS·Filed 2012·Granted May 3, 2016·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →