Inventor · disambiguated record
Marcel Holzwarth
Also filed as: HOLZWARTH MARCEL
12 granted patents·18 citations·filing 2014–2019
85Inventor score
Files withMANN & HUMMEL GMBH12
Top patents by PatentIndex Score
12 records- 0186US9463405B2Filter element and filter assemblyMANN & HUMMEL GMBH·Filed 2014·Granted Oct 11, 2016·9 cites·10 claims
- 0280US10744444B2Filter Element, in Particular for Gas Filtration, and filter deviceMANN & HUMMEL GMBH·Filed 2018·Granted Aug 18, 2020·2 cites·9 claims
- 0372US11149699B2Filter element for an engine air filter assembly having a nonwoven pre-filter and related methodMANN & HUMMEL GMBH·Filed 2018·Granted Oct 19, 2021·1 cites·15 claims
- 0472US10837414B2Hollow filter element, filter housing and filterMANN & HUMMEL GMBH·Filed 2015·Granted Nov 17, 2020·1 cites·10 claims
- 0565US9566860B2Tank venting filterMANN & HUMMEL GMBH·Filed 2014·Granted Feb 14, 2017·2 cites·19 claims
- 0664US9149752B2Oil mist separator for separating aerosol oil from an oil-laden gasMANN & HUMMEL GMBH·Filed 2014·Granted Oct 6, 2015·1 cites·7 claims
- 0763US9539895B2Tank venting filter having a constriction in the air inlet areaMANN & HUMMEL GMBH·Filed 2014·Granted Jan 10, 2017·1 cites·11 claims
- 0862US11280299B2Filter element for an engine air filter assembly having a nonwoven pre-filter and related methodMANN & HUMMEL GMBH·Filed 2019·Granted Mar 22, 2022·0 cites·19 claims
- 0958US9623357B2Tank vent filter with downpipeMANN & HUMMEL GMBH·Filed 2014·Granted Apr 18, 2017·1 cites·10 claims
- 1055US11338237B2Hollow filter element, in particular for gas filtrationMANN & HUMMEL GMBH·Filed 2018·Granted May 24, 2022·0 cites·10 claims
- 1153US10773201B2Annular filter element, in particular for gas filtrationMANN & HUMMEL GMBH·Filed 2018·Granted Sep 15, 2020·0 cites·9 claims
- 1249US10898842B2Filter element, in particular for gas filtrationMANN & HUMMEL GMBH·Filed 2017·Granted Jan 26, 2021·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →