Inventor · disambiguated record

Desmond T. Curran

Also filed as: CURRAN DESMOND T

61 granted patents·12 pending applications·2,144 citations·filing 1996–2023

99Inventor score

Technology areasA62B A41D B01D A61M B29C

Files with3M INNOVATIVE PROPERTIES CO52 CURRAN DESMOND T6 WALKER GARRY J5 3M INNOVATIVE PROPERTIES COMPANY4 MINNESOTA MINING & MFG2

Top patents by PatentIndex Score

73 records

0199US7069930B2Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jul 4, 2006·60 cites·32 claims
0299US6484722B2Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 26, 2002·125 cites·39 claims
0398US5724677AMulti-part headband and respirator mask assembly and process for making sameMINNESOTA MINING & MFG·Filed 1996·Granted Mar 10, 1998·148 cites·19 claims
0497US6123077AFlat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Sep 26, 2000·196 cites·17 claims
0596US10827787B2Maintenance-free respirator that has concave portions on opposing sides of mask top section3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Nov 10, 2020·17 cites·20 claims
0696US6886563B2Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted May 3, 2005·78 cites·17 claims
0796US6568392B1Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted May 27, 2003·91 cites·34 claims
0896USD431647SPersonal respiratory protection device having an exhalation valve3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Oct 3, 2000·64 cites·1 claims
0995US7069931B2Method of making a filtering face mask that has an exhalation valve attached thereto3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jul 4, 2006·31 cites·22 claims
1095US6536434B1Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Mar 25, 2003·63 cites·34 claims
1195USD424688SRespiratory protection mask3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted May 9, 2000·54 cites·1 claims
1294USD620104SPersonal respiratory protection device3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jul 20, 2010·39 cites·1 claims
1394US6722366B2Method of making a flat-folded personal respiratory protection device3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Apr 20, 2004·49 cites·40 claims
1494US6715489B2Processes for preparing flat-folded personal respiratory protection devices3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Apr 6, 2004·53 cites·41 claims
1594US6148817AMulti-part headband and respirator mask assembly and process for making same3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Nov 21, 2000·94 cites·31 claims
1692US10137320B2Respirator flow control apparatus and method3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Nov 27, 2018·11 cites·23 claims
1792USD517745SChin portion of welding helmet visor3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Mar 21, 2006·47 cites·1 claims
1892USD416323SBond pattern for a personal respiratory protection device3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Nov 9, 1999·44 cites·1 claims
1990US9119979B2Method of controlling a powered air purifying respiratorCURRAN DESMOND T·Filed 2010·Granted Sep 1, 2015·16 cites·15 claims
2090US7819120B2Respiratory component mounting assembly3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Oct 26, 2010·55 cites·19 claims
2190US6874499B2Filter element that has a thermo-formed housing around filter material3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Apr 5, 2005·54 cites·22 claims
2290USD459471SPersonal respiratory protection device that has a three panelled look3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jun 25, 2002·29 cites·1 claims
2390USD458364SPersonal respiratory protection device that has left and right tabs3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jun 4, 2002·29 cites·1 claims
2489US10441828B2Powered air-purifying respirator3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Oct 15, 2019·8 cites·11 claims
2589US9868001B2Respirator flow control apparatus and methodWALKER GARRY J·Filed 2008·Granted Jan 16, 2018·22 cites·17 claims
2689US8375950B2Flat-folded personal respiratory protection devices and processes for preparing same3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted Feb 19, 2013·15 cites·25 claims
2789US6125849ARespiratory masks having valves and other components attached to the mask by a printed patch of adhesive3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Oct 3, 2000·96 cites·20 claims
2887US8146594B2Flat-folded personal respiratory protection devicesBOSTOCK GRAHAM J·Filed 2009·Granted Apr 3, 2012·16 cites·20 claims
2987US7007695B2Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Mar 7, 2006·30 cites·42 claims
3085US11130008B2Respirator flow control apparatus and method3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Sep 28, 2021·3 cites·26 claims
3185US7197774B2Supplied air helmet having face seal with differentiated permeability3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Apr 3, 2007·44 cites·18 claims
3285USD518923STop portion of a welding helmet3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Apr 11, 2006·30 cites·1 claims
3385US6959709B2Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 1, 2005·30 cites·50 claims
3484USD517744SSide portion of a welding helmet3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Mar 21, 2006·29 cites·1 claims
3584USD449377STabs on a personal respiratory protection device3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Oct 16, 2001·32 cites·1 claims
3682US6070579AElastomeric composite headband3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jun 6, 2000·66 cites·41 claims
3781US12245648B2Maintenance-free respirator that has concave portions on opposing sides of mask top section3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Mar 11, 2025·0 cites·8 claims
3881US8936022B2Air delivery apparatus for respirator hoodWALKER GARRY J·Filed 2008·Granted Jan 20, 2015·12 cites·17 claims
3979US12329994B2Respirator flow control apparatus and method3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Jun 17, 2025·0 cites·11 claims
4078USD632375SAir blowers3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Feb 8, 2011·24 cites·1 claims
4177US11052208B2Exhaust valve shroud for a personal protection respiratory device3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Jul 6, 2021·3 cites·12 claims
4276US2022370837A1Powered exhaust apparatus for a personal protection respiratory device3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
4374USD532163SSide portion of a welding helmet3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Nov 14, 2006·19 cites·1 claims
4474US6099670AUltrasonic bonding method3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Aug 8, 2000·31 cites·19 claims
4573US6823867B2Pouch for the blower unit of a powered air purifying respirator3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Nov 30, 2004·23 cites·24 claims
4672US7077128B2Eye-wear articles for use with respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Jul 18, 2006·19 cites·44 claims
4771USD708734SRespiratory maskCURRAN DESMOND T·Filed 2007·Granted Jul 8, 2014·18 cites·1 claims
4871US6604524B1Manner of attaching component elements to filtration material such as may be utilized in respiratory masks3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Aug 12, 2003·32 cites·11 claims
4970US11877604B2Maintenance-free respirator that has concave portions on opposing sides of mask top section3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Jan 23, 2024·0 cites·59 claims
5070US10391337B2Respirator assembly with air flow direction controlCURRAN DESMOND T·Filed 2008·Granted Aug 27, 2019·4 cites·8 claims

Showing the top 50 of 73 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →