Inventor · disambiguated record
William C. Haberkamp
Also filed as: HABERKAMP WILLIAM · HABERKAMP WILLIAM C
34 granted patents·10 pending applications·1,397 citations·filing 2000–2021
98Inventor score
Files withCUMMINS FILTRATION IP INC20FLEETGUARD INC163M INNOVATIVE PROPERTIES CO1DICKERSON DAVID P1FLEET GUARD INC1
Top patents by PatentIndex Score
44 records- 0198US7754123B2High performance filter media with internal nanofiber structure and manufacturing methodologyFLEETGUARD INC·Filed 2006·Granted Jul 13, 2010·90 cites·26 claims
- 0298US7258719B2Filter and forming systemFLEETGUARD INC·Filed 2005·Granted Aug 21, 2007·102 cites·7 claims
- 0398US7052532B1High temperature nanofilter, system and method3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted May 30, 2006·213 cites·25 claims
- 0496US7648546B2Filter with variable pleat depthCUMMINS FILTRATION IP INC·Filed 2006·Granted Jan 19, 2010·48 cites·9 claims
- 0596US6582490B2Pre-form for exhaust aftertreatment control filterFLEETGUARD INC·Filed 2001·Granted Jun 24, 2003·108 cites·27 claims
- 0695US8590712B2Modular filter elements for use in a filter-in-filter cartridgeWIECZOREK MARK T·Filed 2010·Granted Nov 26, 2013·27 cites·36 claims
- 0795US7879125B2Filter with variable pleat depthCUMMINS FILTRATION IP INC·Filed 2009·Granted Feb 1, 2011·42 cites·15 claims
- 0894US10391434B2Composite filter media utilizing bicomponent fibersCUMMINS FILTRATION IP INC·Filed 2018·Granted Aug 27, 2019·5 cites·20 claims
- 0994US8517185B2Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter materialWIECZOREK MARK·Filed 2010·Granted Aug 27, 2013·25 cites·23 claims
- 1094US7235124B2High temperature nanofilter, system and methodCUMMINS FILTRATION IP INC·Filed 2006·Granted Jun 26, 2007·22 cites·20 claims
- 1194US6860917B2Melt-spun ceramic fiber filter and methodFLEETGUARD INC·Filed 2002·Granted Mar 1, 2005·92 cites·10 claims
- 1293US8678202B2Modular filter elements for use in a filter-in-filter cartridgeCUMMINS FILTRATION IP INC·Filed 2013·Granted Mar 25, 2014·14 cites·22 claims
- 1392US6444006B1High temperature composite ceramic filterFLEETGUARD INC·Filed 2000·Granted Sep 3, 2002·66 cites·1 claims
- 1491US10058808B2Composite filter media utilizing bicomponent fibersCUMMINS FILTRATION IP INC·Filed 2013·Granted Aug 28, 2018·9 cites·32 claims
- 1591US6946012B1Filter and forming systemFLEETGUARD INC·Filed 2003·Granted Sep 20, 2005·84 cites·7 claims
- 1690US6544310B2Exhaust aftertreatment filter with particulate distribution patternFLEETGUARD INC·Filed 2001·Granted Apr 8, 2003·95 cites·5 claims
- 1790US6540816B2Regenerable filter with localized and efficient heatingFLEETGUARD INC·Filed 2001·Granted Apr 1, 2003·49 cites·31 claims
- 1889US6776814B2Dual section exhaust aftertreatment filter and methodFLEETGUARD INC·Filed 2001·Granted Aug 17, 2004·50 cites·14 claims
- 1988US10953356B2Gradient nanofiber filter mediaCUMMINS FILTRATION IP INC·Filed 2019·Granted Mar 23, 2021·2 cites·14 claims
- 2088US7211226B2Catalyst and filter combinationFLEETGUARD INC·Filed 2002·Granted May 1, 2007·43 cites·4 claims
- 2188US6669913B1Combination catalytic converter and filterFLEETGUARD INC·Filed 2000·Granted Dec 30, 2003·50 cites·19 claims
- 2286US10537837B2Gradient nanofiber filter mediaCUMMINS FILTRATION IP INC·Filed 2018·Granted Jan 21, 2020·2 cites·18 claims
- 2385US6824743B1Space efficient exhaust aftertreatment filterFLEET GUARD INC·Filed 2000·Granted Nov 30, 2004·41 cites·2 claims
- 2484US7674425B2Variable coalescerFLEETGUARD INC·Filed 2005·Granted Mar 9, 2010·14 cites·6 claims
- 2584US6887343B2Filter coating, winding, finishing and manufacturing systemFLEETGUARD INC·Filed 2002·Granted May 3, 2005·52 cites·10 claims
- 2682US7806956B2Tuning particulate filter performance through selective plugging and use of multiple particulate filters to reduce emissions and improve thermal robustnessCUMMINS FILTRATION IP INC·Filed 2007·Granted Oct 5, 2010·11 cites·48 claims
- 2781US7250126B2Acid-neutralizing filter mediaFLEETGUARD INC·Filed 2004·Granted Jul 31, 2007·24 cites·16 claims
- 2878US7913858B2Acid-neutralizing filter mediaFLEETGUARD INC·Filed 2007·Granted Mar 29, 2011·6 cites·20 claims
- 2977US9987578B2Gradient nanofiber filter mediaCUMMINS FILTRATION IP INC·Filed 2014·Granted Jun 5, 2018·2 cites·13 claims
- 3072US10760208B2Tuning surface properties of melt blown polyester fibers by hydrolysis and solution graftingCUMMINS FILTRATION IP INC·Filed 2018·Granted Sep 1, 2020·0 cites·20 claims
- 3169US2020009486A1Composite filter media utilizing bicomponent fibersCUMMINS FILTRATION IP INC·Filed 2019·Application pending·0 cites
- 3266US10227725B2Tuning surface properties of melt blown polyester fibers by hydrolysis and solution graftingCUMMINS FILTRATION IP INC·Filed 2015·Granted Mar 12, 2019·0 cites·9 claims
- 3365US11739451B2Nonwoven web with bimodal fiber distributionCUMMINS FILTRATION IP INC·Filed 2020·Granted Aug 29, 2023·0 cites·20 claims
- 3465US2021178309A1Variable efficiency filtration mediaCUMMINS FILTRATION IP INC·Filed 2021·Application pending·0 cites
- 3558US7434697B2Disposable, spin-on filterFLEETGUARD INC·Filed 2004·Granted Oct 14, 2008·9 cites·23 claims
- 3656US2019153641A2Nonwoven web with bimodal fiber distributionCUMMINS FILTRATION IP INC·Filed 2015·Application pending·0 cites
- 3755US2020086261A1Variable Efficiency Filtration MediaCUMMINS FILTRATION IP INC·Filed 2016·Application pending·0 cites
- 3854US12427457B2Adhesive alloys and filter medias including such adhesive alloysCUMMINS FILTRATION IP INC·Filed 2021·Granted Sep 30, 2025·0 cites·14 claims
- 3947US2009184036A1Fluid filter for combustion engine systems and methodsMARTIN HAROLD R·Filed 2008·Application pending·0 cites
- 4046US2021230781A1Cross-linked non-wovens produced by melt blowing reversible polymer networksCUMMINS FILTRATION IP INC·Filed 2019·Application pending·0 cites
- 4145US2005026526A1High performance filter media with internal nanofiber structure and manufacturing methodologyFiled 2003·Application pending·0 cites
- 4245US2014034564A1Multi-component filter media with control released additivesCUMMINS FILTRATION IP INC·Filed 2013·Application pending·0 cites
- 4340US2006266701A1Gradient density depth filtration systemDICKERSON DAVID P·Filed 2005·Application pending·0 cites
- 4438US2004116276A1Exhaust aftertreatment emission control regenerationFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →