Inventor · disambiguated record
David M. Castiglione
Also filed as: CASTIGLIONE DAVID M
33 granted patents·4 pending applications·801 citations·filing 1995–2024
97Inventor score
Files with3M INNOVATIVE PROPERTIES CO213M INNOVATIVE PROPERTIES COMPANY10CASTIGLIONE DAVID M2BETZ JAMES R1BILLINGSLEY BRITTON G1
Top patents by PatentIndex Score
37 records- 0199US7302951B2Unidirectional respirator valve3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Dec 4, 2007·74 cites·19 claims
- 0297US6732733B1Half-mask respirator with head harness assembly3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted May 11, 2004·127 cites·36 claims
- 0397US5558089ARespirator nose clipMINNESOTA MINING & MFG·Filed 1995·Granted Sep 24, 1996·144 cites·20 claims
- 0492US12173153B2Dual-molded polyamide-silicone composite article and methods of making3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Dec 24, 2024·4 cites·19 claims
- 0588US7594510B2Respiratory protection device3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted Sep 29, 2009·20 cites·20 claims
- 0688USD471627SRespirator facemask assembly3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 11, 2003·35 cites·1 claims
- 0787US6883518B2Unidirectional respirator valve3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Apr 26, 2005·121 cites·35 claims
- 0885US2025051568A1Dual-Molded Polyamide-Silicone Composite Article and Methods of Making3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 0984US2024316373A1Respiratory protection device positive pressure seal check methods and devices3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 1083US7849856B2Respirator valve3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Dec 14, 2010·26 cites·43 claims
- 1183USD467656SRespirator facemask3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Dec 24, 2002·28 cites·1 claims
- 1279US9700743B2Respiratory assembly including latching mechanismCASTIGLIONE DAVID M·Filed 2012·Granted Jul 11, 2017·6 cites·13 claims
- 1377US10765176B2Personal protective device strap connecting buckle assembly3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Sep 8, 2020·3 cites·18 claims
- 1477US8839785B2Respirator harness having collapsible head cradleCASTIGLIONE DAVID M·Filed 2010·Granted Sep 23, 2014·11 cites·23 claims
- 1577US6705317B2Retention assembly with compression element and method of use3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 16, 2004·20 cites·20 claims
- 1676US11020619B2Multiple chamber respirator sealing devices and methods3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Jun 1, 2021·2 cites·20 claims
- 1776USD412573SNose clip for a filtering face mask3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Aug 3, 1999·52 cites·1 claims
- 1872US12029926B2Respiratory protection device positive pressure seal check methods and devices3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Jul 9, 2024·1 cites·19 claims
- 1972USD890916SFull face respirator front cover3M INNOVATIVE PROPERTIES CO·Filed 2019·Granted Jul 21, 2020·12 cites·1 claims
- 2072US2024226616A1Respirator3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 2169US12017095B2Respirator configured to accept vision-protecting module3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Jun 25, 2024·1 cites·10 claims
- 2269USD1029244SBracket for respiratory sensing device3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted May 28, 2024·3 cites·1 claims
- 2368US6279570B1Filter support, assembly and system3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Aug 28, 2001·35 cites·14 claims
- 2466USD456505SGrill pattern on air filter inlet3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Apr 30, 2002·15 cites·1 claims
- 2564US11992078B2Headwear suspension attachment element3M INNOVATIVE PROPERTIES COMPANY·Filed 2017·Granted May 28, 2024·2 cites·15 claims
- 2663US8074648B2Respiratory protection deviceBETZ JAMES R·Filed 2009·Granted Dec 13, 2011·1 cites·14 claims
- 2763USD568986SStrap carriers on a respirator3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted May 13, 2008·13 cites·1 claims
- 2860USD1099309SBracket for respiratory sensing device3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Granted Oct 21, 2025·1 cites·1 claims
- 2958USD652507SRespirator mask bodyMITTELSTADT WILLIAM A·Filed 2010·Granted Jan 17, 2012·12 cites·1 claims
- 3056US6729332B1Retention assembly with compression element and method of use3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted May 4, 2004·24 cites·23 claims
- 3156US2017266472A1Respiratory Assembly Including Latching Mechanism3M INNOVATIVE PROPERTIES CO·Filed 2017·Application pending·0 cites
- 3251US9259676B2Refillable filter systemBILLINGSLEY BRITTON G·Filed 2009·Granted Feb 16, 2016·0 cites·22 claims
- 3348USD444218SPortion of a filter support3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jun 26, 2001·6 cites·1 claims
- 3438USD816209SRespirator inlet port connection seal3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Apr 24, 2018·2 cites·1 claims
- 3534USD1094903SWelding attachment for a respirator3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Sep 23, 2025·0 cites·1 claims
- 3630USD842982SHardhat suspension adapter for half facepiece respirators3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Mar 12, 2019·0 cites·1 claims
- 3730USD827810SHardhat suspension adapter for half facepiece respirators3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Sep 4, 2018·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →