Inventor · disambiguated record
Michael R. Spearman
Also filed as: SPEARMAN MICHAEL · SPEARMAN MICHAEL R
39 granted patents·7 pending applications·1,258 citations·filing 1985–2024
98Inventor score
Top patents by PatentIndex Score
46 records- 0196US5250179ACompactable filter and compactable filter mounting meansPOROUS MEDIA CORP·Filed 1992·Granted Oct 5, 1993·135 cites·6 claims
- 0294US5454945AConical coalescing filter and assemblyPOROUS MEDIA CORP·Filed 1992·Granted Oct 3, 1995·102 cites·21 claims
- 0390US6517725B2Oil dehydratorPOROUS MEDIA·Filed 2001·Granted Feb 11, 2003·81 cites·65 claims
- 0490US5916435AConical coreless filter assembly and elementPOROUS MEDIA CORP·Filed 1997·Granted Jun 29, 1999·122 cites·32 claims
- 0589US5750024AConical coalescing filterPOROUS MEDIA CORP·Filed 1995·Granted May 12, 1998·81 cites·55 claims
- 0688US7331342B2Oxygen humidifierSPEARMAN MICHAEL·Filed 2004·Granted Feb 19, 2008·47 cites·13 claims
- 0785US5376270ABox filterPOROUS MEDIA CORP·Filed 1993·Granted Dec 27, 1994·46 cites·9 claims
- 0885US5284997ATwo step filter and processPOROUS MEDIA CORP·Filed 1992·Granted Feb 8, 1994·53 cites·8 claims
- 0984US8063264B2Hemostatic mediaSPEARMAN MICHAEL·Filed 2006·Granted Nov 22, 2011·31 cites·23 claims
- 1084US4659467ASpin connection adsorption filterSPEARMAN MICHAEL R·Filed 1985·Granted Apr 21, 1987·55 cites·1 claims
- 1183US8623842B2Hemostatic agent and methodROBERTS KEITH A·Filed 2007·Granted Jan 7, 2014·6 cites·13 claims
- 1283US6478953B2Oil filter and dehydratorPOROUS MEDIA CORP·Filed 2000·Granted Nov 12, 2002·36 cites·11 claims
- 1382US6585808B2Membrane air dryer with integral diffuser and method of manufacture thereofPOROUS MEDIA CORP·Filed 2001·Granted Jul 1, 2003·33 cites·16 claims
- 1482US6381983B1Filter-drier with replaceable tubular filter elementPOROUS MEDIA CORP·Filed 2000·Granted May 7, 2002·34 cites·68 claims
- 1580US4814033AMethod of making a reinforced filter tubePOROUS MEDIA CORP·Filed 1987·Granted Mar 21, 1989·49 cites·9 claims
- 1678US6692639B1Stacked conical filtration or separation apparatusPOROUS MEDIA CORP·Filed 1999·Granted Feb 17, 2004·49 cites·18 claims
- 1777US4836931AReinforced filter tube and method of making the samePOROUS MEDIA CORP·Filed 1986·Granted Jun 6, 1989·42 cites·20 claims
- 1877US4733449ASpin connection adsorption filter and method of making sameSPEARMAN MICHAEL R·Filed 1986·Granted Mar 29, 1988·41 cites·6 claims
- 1974US7476212B2Medical gas humidification systemSPEARMAN MICHAEL·Filed 2003·Granted Jan 13, 2009·44 cites·21 claims
- 2072US9649482B2Hemostatic agent and methodROBERTS KEITH A·Filed 2014·Granted May 16, 2017·4 cites·20 claims
- 2172US6123076AHydrophobic barrier for filters and filter mediaPOROUS MEDIA CORP·Filed 1998·Granted Sep 26, 2000·42 cites·16 claims
- 2268US5376272AFilter assembly including a filter and closure memberPOROUS MEDIA CORP·Filed 1993·Granted Dec 27, 1994·30 cites·2 claims
- 2366US5599448ABox filter apparatusPOROUS MEDIA CORP·Filed 1995·Granted Feb 4, 1997·25 cites·1 claims
- 2464US7413657B1Method for selective extractionPOROUS MEDIA LTD·Filed 2003·Granted Aug 19, 2008·18 cites·26 claims
- 2563US8292840B2Medical gas humidification systemSPEARMAN MICHAEL·Filed 2008·Granted Oct 23, 2012·2 cites·6 claims
- 2661US10744310B2Hemostatic agent and methodHEMOSTASIS LLC·Filed 2017·Granted Aug 18, 2020·0 cites·19 claims
- 2760USD357737SBox filterPOROUS MEDIA CORP·Filed 1993·Granted Apr 25, 1995·9 cites·1 claims
- 2859US12157084B2Pleated media for a conical shaped filter elementZIA MAJID·Filed 2019·Granted Dec 3, 2024·0 cites·4 claims
- 2959US7396383B2Membrane-based reservoir dryerBURBAN JOHN H·Filed 2005·Granted Jul 8, 2008·4 cites·21 claims
- 3058US10390154B2Method and apparatus for coil alignment in electromagnetic hearing implantOTOTRONIX LLC·Filed 2014·Granted Aug 20, 2019·2 cites·15 claims
- 3158USD410727SInlet filterPOROUS MEDIA CORP·Filed 1998·Granted Jun 8, 1999·10 cites·1 claims
- 3258US2024277505A1Degradeable ostial stentSPEARMAN MICHAEL·Filed 2024·Application pending·0 cites
- 3356US2009260253A1Apparatus and method of drying using a gas separation membraneROBERTS KEITH A·Filed 2009·Application pending·0 cites
- 3455USD373637SBox filterPOROUS MEDIA CORP·Filed 1995·Granted Sep 10, 1996·8 cites·1 claims
- 3553US8425663B2Method for the selective extraction of acids, bases and polar saltsTHUNDYIL MATT·Filed 2007·Granted Apr 23, 2013·1 cites·53 claims
- 3651US5489352AMethod of sealing filter media within a box filter housingPOROUS MEDIA CORP·Filed 1995·Granted Feb 6, 1996·14 cites·4 claims
- 3750US8945040B2Medical gas humidification systemSPEARMAN MICHAEL·Filed 2012·Granted Feb 3, 2015·0 cites·3 claims
- 3849US12303636B2System for gravity inclusion of powder into a medical delivery flow streamBURBAN JOHN H·Filed 2021·Granted May 20, 2025·0 cites·19 claims
- 3948US10709585B2Degradeable nasal ostial stentSPEARMAN MICHAEL R·Filed 2019·Granted Jul 14, 2020·0 cites·20 claims
- 4047US7604685B2Method for the selective extraction of acidsPOROUS MEDIA CORP·Filed 2004·Granted Oct 20, 2009·2 cites·26 claims
- 4146US2021386445A1Nasal smoke evacuatorBURBAN JOHN H·Filed 2021·Application pending·0 cites
- 4245US2008173175A1Oxygen humidifierSPEARMAN MICHAEL·Filed 2007·Application pending·0 cites
- 4344US2016184564A1Intranasal delivery device and method of material deliverySPEARMAN MICHAEL R·Filed 2014·Application pending·0 cites
- 4443US10265201B2Degradeable ostial stentSPEARMAN MICHAEL R·Filed 2016·Granted Apr 23, 2019·0 cites·10 claims
- 4534US2011098787A1Cochlear implantSPEARMAN MICHAEL R·Filed 2010·Application pending·0 cites
- 4632US2011144414A1Middle ear implant and methodOTOTRONIX LLC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →