Inventor · disambiguated record
Mark A. Roll
Also filed as: ROLL MARK A · ROLL MARK ALLEN
42 granted patents·4 pending applications·554 citations·filing 1995–2023
98Inventor score
Files withDANA CORP14WIX FILTRATION CORP LLC13MANN HUMMEL FILTRATION TECH US LLC10STAMEY JR WILLIE L4WIX FILTRATION CORP2
Top patents by PatentIndex Score
46 records- 0198US10807026B2Filter element with air-bleed conduitWIX FILTRATION CORP LLC·Filed 2015·Granted Oct 20, 2020·15 cites·25 claims
- 0296US7531090B1Fluid filter elementWIX FILTRATION CORP LLC·Filed 2005·Granted May 12, 2009·42 cites·20 claims
- 0393US7543711B1Fluid filter elementWIX FILTRATION CORP LLC·Filed 2005·Granted Jun 9, 2009·24 cites·11 claims
- 0491US11318398B2Coalescing filter elementMANN HUMMEL FILTRATION TECH US LLC·Filed 2020·Granted May 3, 2022·2 cites·15 claims
- 0590US11035330B2Filter element with air-bleed conduitWIX FILTRATION CORP LLC·Filed 2015·Granted Jun 15, 2021·4 cites·25 claims
- 0690US7682507B2Fluid filter elementWIX FILTRATION CORP LLC·Filed 2008·Granted Mar 23, 2010·15 cites·20 claims
- 0790US6972092B1Self-venting valve end cap and methodWIX FILTRATION CORP·Filed 2003·Granted Dec 6, 2005·50 cites·10 claims
- 0889US6565746B1One-piece self-venting drain valveDANA CORP·Filed 2002·Granted May 20, 2003·44 cites·20 claims
- 0988US6387259B1Spin-on filter assembliesDANA CORP·Filed 2000·Granted May 14, 2002·46 cites·18 claims
- 1087US10625184B2Coalescing filter elementWIX FILTRATION CORP LLC·Filed 2015·Granted Apr 21, 2020·3 cites·18 claims
- 1186US11517845B2FilterMANN HUMMEL FILTRATION TECH US LLC·Filed 2019·Granted Dec 6, 2022·2 cites·20 claims
- 1286US7335300B1Fluid filter elementWIX FILTRATION CORP LLC·Filed 2004·Granted Feb 26, 2008·25 cites·14 claims
- 1385US11623168B2Filter elementMANN HUMMEL FILTRATION TECH US LLC·Filed 2019·Granted Apr 11, 2023·2 cites·19 claims
- 1483US5606989ASelf-venting valve arrangementDANA CORP·Filed 1995·Granted Mar 4, 1997·52 cites·10 claims
- 1581US11759735B2Filter element with air-bleed conduitMANN HUMMEL FILTRATION TECH US LLC·Filed 2022·Granted Sep 19, 2023·0 cites·20 claims
- 1680US12364937B2Filter elementMANN HUMMEL FILTRATION TECH US LLC·Filed 2023·Granted Jul 22, 2025·0 cites·20 claims
- 1780US11964227B2FilterMANN HUMMEL FILTRATION TECH US LLC·Filed 2022·Granted Apr 23, 2024·0 cites·18 claims
- 1879US8127934B2Fluid filter elementSTAMEY JR WILLIE L·Filed 2009·Granted Mar 6, 2012·7 cites·24 claims
- 1977US6843377B1Spacer and filter assembly utilizing the spacerDANA CORP·Filed 2002·Granted Jan 18, 2005·23 cites·15 claims
- 2074US11400396B2Filter element with air-bleed conduitMANN HUMMEL FILTRATION TECH US LLC·Filed 2020·Granted Aug 2, 2022·0 cites·20 claims
- 2173US11927163B2Filter element with air-bleed conduitMANN HUMMEL FILTRATION TECH US LLC·Filed 2021·Granted Mar 12, 2024·0 cites·20 claims
- 2273US8603334B2Fluid filter elementSTAMEY JR WILLIE L·Filed 2009·Granted Dec 10, 2013·4 cites·11 claims
- 2373US5783078AFuel/water separator filter without flow diverters and method of making sameDANA CORP·Filed 1996·Granted Jul 21, 1998·41 cites·37 claims
- 2471US6761822B1Dual filter with flow mixer and centrifugal separatorDANA CORP·Filed 2002·Granted Jul 13, 2004·18 cites·23 claims
- 2570US9468870B2Fluid filter elementWIX FILTRATION CORP LLC·Filed 2013·Granted Oct 18, 2016·1 cites·14 claims
- 2670US7771596B2Filter Container, assembly and method for manufacturing the sameWIX FILTRATION CORP LLC·Filed 2008·Granted Aug 10, 2010·4 cites·14 claims
- 2768US11617973B2Filter elementMANN HUMMEL FILTRATION TECH US LLC·Filed 2021·Granted Apr 4, 2023·0 cites·18 claims
- 2868US10293296B2FilterFERGUSON ROBERT H·Filed 2008·Granted May 21, 2019·3 cites·37 claims
- 2966US6350379B1Dual filter with flow mixerDANA CORP·Filed 1999·Granted Feb 26, 2002·23 cites·18 claims
- 3064US5817232ARebuildable spin-on filtersDANA CORP·Filed 1996·Granted Oct 6, 1998·32 cites·4 claims
- 3163US11806652B2End cap for a filter elementMANN HUMMEL FILTRATION TECH US LLC·Filed 2021·Granted Nov 7, 2023·0 cites·8 claims
- 3261US8800782B2Filter elementROLL MARK A·Filed 2007·Granted Aug 12, 2014·3 cites·17 claims
- 3359US8092690B2Fluid filter elementSTAMEY JR WILLIE L·Filed 2010·Granted Jan 10, 2012·2 cites·31 claims
- 3459US6401575B1Wrench for fuel filter housing coversDANA CORP·Filed 2001·Granted Jun 11, 2002·10 cites·11 claims
- 3559US6270660B1Flow inverter for filtersDANA CORP·Filed 1998·Granted Aug 7, 2001·21 cites·11 claims
- 3658US10046254B2Endcap bypass plug, endcap assembly and filter assemblyMANN HUMMEL FILTRATION TECH GROUP INC·Filed 2016·Granted Aug 14, 2018·0 cites·17 claims
- 3757US9987574B2Endcap bypass plug, endcap assembly and filter assemblyWIX FILTRATION CORP LLC·Filed 2013·Granted Jun 5, 2018·0 cites·18 claims
- 3855US6994787B1Clear plastic injection molded fuel/water separatorWIX FILTRATION CORP·Filed 2002·Granted Feb 7, 2006·4 cites·8 claims
- 3953US10898835B2Filter elementSTAMEY JR WILLIE L·Filed 2008·Granted Jan 26, 2021·0 cites·17 claims
- 4052USRE40051EOne-piece self-venting drain valveWIX FILTRATION CORP LLC·Filed 2004·Granted Feb 12, 2008·2 cites·21 claims
- 4151US5830349AFlow inverter for filtersDANA CORP·Filed 1996·Granted Nov 3, 1998·12 cites·8 claims
- 4251US2009250390A1FilterWIX FILTRATION CORP LLC·Filed 2009·Application pending·0 cites
- 4350US5733443AInside to outside flow filtersDANA CORP·Filed 1996·Granted Mar 31, 1998·18 cites·12 claims
- 4441US2003146143A1High strength, spin-on filterDANA CORP·Filed 2002·Application pending·0 cites
- 4540US2003146142A1High strength, spin-on filterDANA CORP·Filed 2002·Application pending·0 cites
- 4639US2016279543A1Filter Subassembly, Filter Assembly, Filter and Method for Utilizing the SameWIX FILTRATION CORP LLC·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Mark A. Roll files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →