Inventor · disambiguated record
Richard Osendorf
Also filed as: OSENDORF RICHARD · OSENDORF RICHARD J
62 granted patents·2 pending applications·2,943 citations·filing 1977–2025
99Inventor score
Files withDONALDSON CO INC56REICHTER GREGORY L3NELSON BENNY KEVIN2Reichter gregory2OSENDORF RICHARD1
Top patents by PatentIndex Score
64 records- 0199US11207632B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2020·Granted Dec 28, 2021·14 cites·30 claims
- 0299US11020699B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2019·Granted Jun 1, 2021·19 cites·20 claims
- 0399US10864475B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2018·Granted Dec 15, 2020·19 cites·30 claims
- 0499US10835850B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2019·Granted Nov 17, 2020·17 cites·20 claims
- 0599US10556201B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2017·Granted Feb 11, 2020·24 cites·19 claims
- 0699US10421034B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2019·Granted Sep 24, 2019·30 cites·30 claims
- 0799US10315144B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2016·Granted Jun 11, 2019·39 cites·20 claims
- 0899US10258913B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2016·Granted Apr 16, 2019·29 cites·18 claims
- 0999US10065145B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2015·Granted Sep 4, 2018·27 cites·6 claims
- 1099US10029198B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2016·Granted Jul 24, 2018·26 cites·22 claims
- 1199US9795911B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2014·Granted Oct 24, 2017·41 cites·10 claims
- 1299US9527023B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2014·Granted Dec 27, 2016·62 cites·20 claims
- 1399US9387425B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2014·Granted Jul 12, 2016·42 cites·20 claims
- 1499US9180399B2Air filter arrangementDONALDSON CO INC·Filed 2014·Granted Nov 10, 2015·80 cites·16 claims
- 1598US11951429B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2021·Granted Apr 9, 2024·4 cites·27 claims
- 1698US11890565B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2022·Granted Feb 6, 2024·4 cites·39 claims
- 1798US11839831B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2020·Granted Dec 12, 2023·5 cites·37 claims
- 1898US11826689B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2020·Granted Nov 28, 2023·4 cites·21 claims
- 1998US11759744B2Air filter arrangement; assembly; and, methodsDONALDSON CO INC·Filed 2021·Granted Sep 19, 2023·4 cites·40 claims
- 2098US11331609B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2020·Granted May 17, 2022·14 cites·23 claims
- 2198US10576403B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2017·Granted Mar 3, 2020·26 cites·20 claims
- 2298US9636615B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2014·Granted May 2, 2017·57 cites·19 claims
- 2398US8945268B2Seal arrangement for filter element; filter element assembly; and, methodsDONALDSON CO INC·Filed 2013·Granted Feb 3, 2015·37 cites·10 claims
- 2498US8906128B2Air filter arrangement; assembly; and, methodsReichter gregory·Filed 2012·Granted Dec 9, 2014·91 cites·28 claims
- 2598US8864866B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2012·Granted Oct 21, 2014·119 cites·18 claims
- 2698US8709119B2Air filter cartridge and air cleaner assemblyReichter gregory·Filed 2012·Granted Apr 29, 2014·80 cites·23 claims
- 2798US8636820B2Air filter arrangementDONALDSON CO INC·Filed 2013·Granted Jan 28, 2014·80 cites·19 claims
- 2898US8496723B2Air filter arrangementREICHTER GREGORY L·Filed 2006·Granted Jul 30, 2013·117 cites·14 claims
- 2998US8409316B2Seal arrangement for filter element; filter element assembly; and, methodsNELSON BENNY KEVIN·Filed 2006·Granted Apr 2, 2013·68 cites·12 claims
- 3098US8292983B2Air filter cartridge and air cleaner assemblyREICHTER GREGORY L·Filed 2006·Granted Oct 23, 2012·149 cites·18 claims
- 3198US8277532B2Air filter arrangement; assembly; and methodsREICHTER GREGORY L·Filed 2005·Granted Oct 2, 2012·164 cites·18 claims
- 3298US8012233B2Filter cartridge for air cleanerDONALDSON CO INC·Filed 2010·Granted Sep 6, 2011·41 cites·8 claims
- 3398US7736410B2Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methodsDONALDSON CO INC·Filed 2007·Granted Jun 15, 2010·64 cites·20 claims
- 3498US7713321B2Air cleaner arrangements; components thereof; and, methodsDONALDSON CO INC·Filed 2007·Granted May 11, 2010·87 cites·15 claims
- 3597US5306321ALayered air filter medium having improved efficiency and pleatabilityDONALDSON CO INC·Filed 1993·Granted Apr 26, 1994·141 cites·13 claims
- 3697US4863499AAnti-duffusion chemical breather assembly for disk drivesDONALDSON CO INC·Filed 1988·Granted Sep 5, 1989·135 cites·16 claims
- 3796US7708797B2Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methodsDONALDSON CO INC·Filed 2007·Granted May 4, 2010·36 cites·15 claims
- 3896US5427597ALayered air filter medium having improved efficiency and pleatabilityDONALDSON CO INC·Filed 1994·Granted Jun 27, 1995·130 cites·12 claims
- 3995US11117085B2Seal arrangement for filter element; filter element assembly; and, methodsDONALDSON CO INC·Filed 2019·Granted Sep 14, 2021·5 cites·19 claims
- 4095US9718021B2Seal arrangement for filter element; filter element assembly; and, methodsNELSON BENNY KEVIN·Filed 2015·Granted Aug 1, 2017·8 cites·9 claims
- 4195US5840094AAir filter element; assembly; and, methodDONALDSON CO INC·Filed 1997·Granted Nov 24, 1998·160 cites·16 claims
- 4294US8361181B2Air cleaner assemblies; filter cartridges therefor; features; and, methodsDONALDSON CO INC·Filed 2009·Granted Jan 29, 2013·54 cites·26 claims
- 4394US5647356ARespirator cartridge with sealing fit test structure and method of useDONALDSON CO INC·Filed 1993·Granted Jul 15, 1997·168 cites·25 claims
- 4493US10518204B2Assemblies; components and filter features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2018·Granted Dec 31, 2019·4 cites·18 claims
- 4593US7972404B2Air cleaner arrangements; components thereof; and, methodsDONALDSON CO INC·Filed 2007·Granted Jul 5, 2011·71 cites·25 claims
- 4693US4963171AHigh efficiency filter and method of fabricating sameDONALDSON CO INC·Filed 1989·Granted Oct 16, 1990·86 cites·15 claims
- 4792US5743927AAir filter element; assembly; and, methodDONALDSON CO INC·Filed 1996·Granted Apr 28, 1998·98 cites·28 claims
- 4892US5290345ARefillable gas adsorption bed assembly and counterflow adsorber moduleDONALDSON CO INC·Filed 1993·Granted Mar 1, 1994·96 cites·14 claims
- 4992US2025128194A1Filter Assemblies; Components and Features Thereof; and, Methods of Use and AssemblyDONALDSON CO INC·Filed 2024·Application pending·0 cites
- 5089US12325002B2Filter assemblies; components and features thereof; and, methods of use and assemblyDONALDSON CO INC·Filed 2023·Granted Jun 10, 2025·0 cites·31 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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