Inventor · disambiguated record
David M. Blomberg
Also filed as: BLOMBERG DAVID M
46 granted patents·5 pending applications·413 citations·filing 2000–2025
98Inventor score
Files with3M INNOVATIVE PROPERTIES CO323M INNOVATIVE PROPERTIES COMPANY11ABEL NATHAN A3BILLINGSLEY BRITTON G2GEBREWOLD YONAS2
Top patents by PatentIndex Score
51 records- 0196US6575165B1Apparatus and method for breathing apparatus component coupling3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Jun 10, 2003·163 cites·38 claims
- 0292US9814913B2Respirator with floating elastomeric sleeve3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Nov 14, 2017·12 cites·21 claims
- 0392US9510626B2Sleeve-fit respirator cartridge3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Dec 6, 2016·14 cites·16 claims
- 0490USD676527SUnidirectional valve3M INNOVATIVE PROPERTIES CO·Filed 2009·Granted Feb 19, 2013·41 cites·1 claims
- 0589US12128259B2Respirator negative pressure fit check devices and methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Oct 29, 2024·1 cites·17 claims
- 0688US9517367B2Respiratory mask having a clean air inlet chamber3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Dec 13, 2016·12 cites·17 claims
- 0787US10391338B2Sleeve-fit respirator cartridge3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Aug 27, 2019·5 cites·21 claims
- 0887US2025050141A1Respirator negative pressure fit check devices and methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 0985US2024091573A1Respirator fit check sealing devices and methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 1081US11052268B2Respirator negative pressure fit check devices and methods3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Jul 6, 2021·5 cites·25 claims
- 1180USD1105004SCable guide3M INNOVATIVE PROPERTIES COMPANY·Filed 2025·Granted Dec 9, 2025·0 cites·1 claims
- 1280USD1055002SCable guide3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Granted Dec 24, 2024·3 cites·1 claims
- 1380US11865375B2Respirator fit check sealing devices and methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Jan 9, 2024·0 cites·19 claims
- 1480US10786692B2Respirator with floating elastomeric sleeve3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Sep 29, 2020·2 cites·13 claims
- 1580US8899227B2Air filtration device having subsections lacking fluid communicationBILLINGSLEY BRITTON G·Filed 2011·Granted Dec 2, 2014·11 cites·20 claims
- 1679US8887719B2Air filtration device having tuned air distribution systemBILLINGSLEY BRITTON G·Filed 2011·Granted Nov 18, 2014·10 cites·18 claims
- 1777US10765176B2Personal protective device strap connecting buckle assembly3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Sep 8, 2020·3 cites·18 claims
- 1877US9744329B2Air filtration device having subsections lacking fluid communication3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Aug 29, 2017·4 cites·20 claims
- 1977US9744328B2Air filtration device having tuned air distribution system3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Aug 29, 2017·4 cites·20 claims
- 2075USD795416SRespirator mask3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Aug 22, 2017·17 cites·1 claims
- 2174USD1035593SCable guide3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Jul 16, 2024·3 cites·1 claims
- 2274US11571591B2Respirator with floating elastomeric sleeve3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Feb 7, 2023·0 cites·13 claims
- 2374US9247788B2Personal protective equipment strap retaining devices3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Feb 2, 2016·4 cites·26 claims
- 2473US9950202B2Respirator negative pressure fit check devices and methods3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Apr 24, 2018·6 cites·34 claims
- 2573USD795415SRespirator cartridge having an engagement latch3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Aug 22, 2017·15 cites·1 claims
- 2668USD1095456SCable guide3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Granted Sep 30, 2025·1 cites·1 claims
- 2766USD786443SFilter element3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted May 9, 2017·12 cites·1 claims
- 2862USD746437SRespirator mask having a communication grille3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Dec 29, 2015·11 cites·1 claims
- 2961US9259058B2Personal protective equipment strap retaining devices3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Feb 16, 2016·1 cites·26 claims
- 3059USD779674SFilter element having a connector3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Feb 21, 2017·9 cites·1 claims
- 3158US11219787B2Respirator fit check sealing devices and methods3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Jan 11, 2022·0 cites·13 claims
- 3258USD757928SRespirator cartridge body3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted May 31, 2016·9 cites·1 claims
- 3355US2013340768A1Filtering face-piece respirator having support structure injection molded to filtering structure3M INNOVATIVE PROPERTIES CO·Filed 2013·Application pending·0 cites
- 3454USD778430SFilter cartridge3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Feb 7, 2017·8 cites·1 claims
- 3550USD1053463SAccessory bracket for headgear3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Dec 3, 2024·1 cites·1 claims
- 3650USD759807SRespirator mask exhalation port3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Jun 21, 2016·6 cites·1 claims
- 3749USD1068124SBracket for headgear3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Mar 25, 2025·1 cites·1 claims
- 3848US2012125342A1Filtering face-piece respirator having support structure injection molded to filtering structureGEBREWOLD YONAS·Filed 2010·Application pending·0 cites
- 3943USD747470SRespirator cartridge connector3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Jan 12, 2016·4 cites·1 claims
- 4038US2012125341A1Filtering face-piece respirator having an overmolded face sealGEBREWOLD YONAS·Filed 2010·Application pending·0 cites
- 4137USD754844SRespirator mask3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Apr 26, 2016·2 cites·1 claims
- 4237USD741475SRespirator mask having a communication grille3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Oct 20, 2015·2 cites·1 claims
- 4335USD742504SRespirator mask3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Nov 3, 2015·1 cites·1 claims
- 4435USD696629SLarge battery pack for powered air purifying respirator (PAPR)ABEL NATHAN A·Filed 2012·Granted Dec 31, 2013·2 cites·1 claims
- 4535USD684536SSmall battery pack for powered air purifying respiratorABEL NATHAN A·Filed 2012·Granted Jun 18, 2013·2 cites·1 claims
- 4634USD767116SRespirator mask having an exhalation port3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Sep 20, 2016·1 cites·1 claims
- 4734USD747795SRespirator mask body3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Jan 19, 2016·1 cites·1 claims
- 4834USD690414SPowered air purifying respirator (PAPR) having control panelABEL NATHAN A·Filed 2012·Granted Sep 24, 2013·2 cites·1 claims
- 4932USD744088SRespirator mask having a circular button3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Nov 24, 2015·1 cites·1 claims
- 5030USD743536SRespirator mask having a circular button3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Nov 17, 2015·0 cites·1 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →