Inventor
ROLL MARK A
US31 patents
⚠️ This page may combine multiple inventors who share the name “ROLL MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN HUMMEL FILTRATION TECH US LLC
10 patentsUS11623168B2Apr 11, 2023
Filter element
MANN HUMMEL FILTRATION TECH US LLC2 citations73
US11318398B2May 3, 2022
Coalescing filter element
MANN HUMMEL FILTRATION TECH US LLC2 citations71
US11517845B2Dec 6, 2022
Filter
MANN HUMMEL FILTRATION TECH US LLC2 citations70
US12364937B2Jul 22, 2025
Filter element
MANN HUMMEL FILTRATION TECH US LLC0 citations62
US11806652B2Nov 7, 2023
End cap for a filter element
MANN HUMMEL FILTRATION TECH US LLC0 citations62
US11927163B2Mar 12, 2024
Filter element with air-bleed conduit
MANN HUMMEL FILTRATION TECH US LLC0 citations61
US11759735B2Sep 19, 2023
Filter element with air-bleed conduit
MANN HUMMEL FILTRATION TECH US LLC0 citations61
US11617973B2Apr 4, 2023
Filter element
MANN HUMMEL FILTRATION TECH US LLC0 citations61
US11400396B2Aug 2, 2022
Filter element with air-bleed conduit
MANN HUMMEL FILTRATION TECH US LLC0 citations61
US11964227B2Apr 23, 2024
Filter
MANN HUMMEL FILTRATION TECH US LLC0 citations59
WIX FILTRATION CORP LLC
8 patentsUS10807026B2Oct 20, 2020
Filter element with air-bleed conduit
WIX FILTRATION CORP LLC15 citations93
US7682507B2Mar 23, 2010
Fluid filter element
WIX FILTRATION CORP LLC15 citations92
US11035330B2Jun 15, 2021
Filter element with air-bleed conduit
WIX FILTRATION CORP LLC4 citations72
US10625184B2Apr 21, 2020
Coalescing filter element
WIX FILTRATION CORP LLC3 citations72
US9468870B2Oct 18, 2016
Fluid filter element
WIX FILTRATION CORP LLC1 citations62
US7771596B2Aug 10, 2010
Filter Container, assembly and method for manufacturing the same
WIX FILTRATION CORP LLC4 citations62
USRE40051EFeb 12, 2008
One-piece self-venting drain valve
WIX FILTRATION CORP LLC2 citations62
US9987574B2Jun 5, 2018
Endcap bypass plug, endcap assembly and filter assembly
WIX FILTRATION CORP LLC0 citations52
DANA CORP
5 patentsUS6565746B1May 20, 2003
One-piece self-venting drain valve
DANA CORP44 citations92
US6270660B1Aug 7, 2001
Flow inverter for filters
DANA CORP21 citations92
US5817232AOct 6, 1998
Rebuildable spin-on filters
DANA CORP32 citations91
US5606989AMar 4, 1997
Self-venting valve arrangement
DANA CORP52 citations89
US6401575B1Jun 11, 2002
Wrench for fuel filter housing covers
DANA CORP10 citations66