Inventor · disambiguated record
Steven K. Campbell
Also filed as: CAMPBELL STEVEN · CAMPBELL STEVEN K
42 granted patents·6 pending applications·497 citations·filing 2005–2025
98Inventor score
Files withDONALDSON CO INC48
Top patents by PatentIndex Score
48 records- 0199US11752460B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2022·Granted Sep 12, 2023·9 cites·25 claims
- 0299US11298643B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2020·Granted Apr 12, 2022·20 cites·25 claims
- 0399US10610816B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2018·Granted Apr 7, 2020·25 cites·20 claims
- 0499US10046260B2Air filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2016·Granted Aug 14, 2018·43 cites·22 claims
- 0599US9320997B2Air filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2015·Granted Apr 26, 2016·98 cites·20 claims
- 0698US7905936B2Filter arrangements; housing; assemblies; and, methodsDONALDSON CO INC·Filed 2005·Granted Mar 15, 2011·126 cites·6 claims
- 0797US11801466B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2021·Granted Oct 31, 2023·5 cites·24 claims
- 0897US11198082B2Filter cartridges; air cleaner assemblies; housings; features; components; and methodsDONALDSON CO INC·Filed 2018·Granted Dec 14, 2021·14 cites·26 claims
- 0997US8641795B2Filter arrangements; housing; assemblies; and, methodsDONALDSON CO INC·Filed 2012·Granted Feb 4, 2014·21 cites·11 claims
- 1097US8343245B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2011·Granted Jan 1, 2013·27 cites·22 claims
- 1196US12036499B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2023·Granted Jul 16, 2024·2 cites·22 claims
- 1296US9889398B2Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinationsDONALDSON CO INC·Filed 2015·Granted Feb 13, 2018·8 cites·17 claims
- 1396US9283507B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2014·Granted Mar 15, 2016·17 cites·20 claims
- 1496US9067161B2Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinationsDONALDSON CO INC·Filed 2013·Granted Jun 30, 2015·20 cites·21 claims
- 1595US12186694B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2023·Granted Jan 7, 2025·1 cites·10 claims
- 1695US12115484B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2023·Granted Oct 15, 2024·1 cites·27 claims
- 1795US10625191B2Filter cartridges; features and methods of assembly; filter assemblies; and, filter cartridge combinationsDONALDSON CO INC·Filed 2018·Granted Apr 21, 2020·7 cites·17 claims
- 1894US9089804B2Filter arrangements; components; assemblies; and, methodsDONALDSON CO INC·Filed 2013·Granted Jul 28, 2015·16 cites·26 claims
- 1993US10864469B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2018·Granted Dec 15, 2020·4 cites·5 claims
- 2092US11318405B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2017·Granted May 3, 2022·5 cites·12 claims
- 2192US11224833B2Particle separator filter with an axially extending flow faceDONALDSON CO INC·Filed 2020·Granted Jan 18, 2022·3 cites·17 claims
- 2292US9919254B2Filter arrangements; components; assemblies; and, methodsDONALDSON CO INC·Filed 2015·Granted Mar 20, 2018·6 cites·16 claims
- 2392US2025087897A1Filter Cartridges; Air Cleaner Assemblies; Housings; Features; Components; and, MethodsDONALDSON CO INC·Filed 2024·Application pending·0 cites
- 2491US11192053B2Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinationsDONALDSON CO INC·Filed 2020·Granted Dec 7, 2021·2 cites·19 claims
- 2591US9925485B2Filter cartridge; features and methods of assembly; filter assemblies; and, filter cartridge combinationsDONALDSON CO INC·Filed 2013·Granted Mar 27, 2018·8 cites·14 claims
- 2690US2025339802A1Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2025·Application pending·0 cites
- 2789US12357934B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methodsDONALDSON CO INC·Filed 2024·Granted Jul 15, 2025·0 cites·27 claims
- 2889US11123673B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2019·Granted Sep 21, 2021·2 cites·44 claims
- 2987US11298642B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2019·Granted Apr 12, 2022·2 cites·18 claims
- 3087US10252206B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2016·Granted Apr 9, 2019·2 cites·42 claims
- 3186US12447430B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2024·Granted Oct 21, 2025·0 cites·14 claims
- 3286US10343101B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2016·Granted Jul 9, 2019·2 cites·19 claims
- 3385US12214307B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 3485US2025387743A1Filter elements and assembliesDONALDSON CO INC·Filed 2025·Application pending·0 cites
- 3582US12403419B1Filter elements and assembliesDONALDSON CO INC·Filed 2025·Granted Sep 2, 2025·0 cites·20 claims
- 3678US11938432B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2022·Granted Mar 26, 2024·0 cites·16 claims
- 3778US2024399278A1Filter element, air cleaner assembly, and methodsDONALDSON CO INC·Filed 2024·Application pending·0 cites
- 3877US2025161853A1Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2025·Application pending·0 cites
- 3976US11951433B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2022·Granted Apr 9, 2024·0 cites·18 claims
- 4075US12030009B1Air cleaner assembly with restriction indicatorDONALDSON CO INC·Filed 2023·Granted Jul 9, 2024·0 cites·20 claims
- 4175US11673086B2Air cleaner assembly with restriction indicatorDONALDSON CO INC·Filed 2018·Granted Jun 13, 2023·1 cites·20 claims
- 4274US11684882B2Air cleaner assemblies and methods of useDONALDSON CO INC·Filed 2020·Granted Jun 27, 2023·0 cites·14 claims
- 4373US11801468B2Particle separator filter with an axially extending flow faceDONALDSON CO INC·Filed 2022·Granted Oct 31, 2023·0 cites·22 claims
- 4469US12434181B1Air cleaner and filtration assembliesDONALDSON CO INC·Filed 2025·Granted Oct 7, 2025·0 cites·18 claims
- 4565US12083464B2Filter element, air cleaner assembly, and methodsDONALDSON CO INC·Filed 2020·Granted Sep 10, 2024·0 cites·21 claims
- 4657US11679352B2Filter arrangements; housings; assemblies; and, methodsDONALDSON CO INC·Filed 2021·Granted Jun 20, 2023·0 cites·51 claims
- 4752US9914084B2Filter arrangements; components; assemblies; and methodsDONALDSON CO INC·Filed 2013·Granted Mar 13, 2018·0 cites·19 claims
- 4849US2025099891A1Filter cartridges; air cleaner assemblies; housing; features; components; and methodsDONALDSON CO INC·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →