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Air quality data servicing
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Patent number 11,676,047
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Issue date Jun 13, 2023
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3M Innovative Properties Company
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Amanda B. Dauphinais
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G06 - COMPUTING CALCULATING COUNTING
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Refillable air filter assembly
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Patent number 10,994,235
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Issue date May 4, 2021
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3M Innovative Properties Company
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Zhiqun Zhang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air purifier
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Patent number D903847
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Issue date Dec 1, 2020
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3M Innovative Properties Company
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Alonso M. Hernandez
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D23 - Environmental heating and cooling
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Monitoring device
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Patent number D900650
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Issue date Nov 3, 2020
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3M Innovative Properties Company
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Alonso M. Hernandez
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D10 - Measuring, testing, or signalling instruments
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Monitoring device
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Patent number D893319
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Issue date Aug 18, 2020
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3M Innovative Properties Company
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Alonso M. Hernandez
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D10 - Measuring, testing, or signalling instruments
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Fragrance dispenser for air filter
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Patent number 10,744,222
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Issue date Aug 18, 2020
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3M Innovative Properties Company
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Kannan Seshadri
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air purifier
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Patent number D891598
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Issue date Jul 28, 2020
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3M Innovative Properties Company
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Alonso M. Hernandez
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D23 - Environmental heating and cooling
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-
-
-
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Collapsible air filter
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Patent number 10,406,472
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Issue date Sep 10, 2019
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3M Innovative Properties Company
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Zhiqun Zhang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Refillable air filter assembly
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Patent number 10,328,371
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Issue date Jun 25, 2019
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3M Innovative Properties Company
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Zhiqun Zhang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air filter use indicators
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Patent number 10,286,349
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Issue date May 14, 2019
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3M Innovative Properties Company
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Glen O. Gregerson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fragrance dispenser for air filter
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Patent number 10,213,519
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Issue date Feb 26, 2019
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3M Innovative Properties Company
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Kannan Seshadri
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Air purifier
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Patent number D835249
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Issue date Dec 4, 2018
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3M Innovative Properties Company
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Nicolas A. Echeverri
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D835248
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Issue date Dec 4, 2018
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3M Innovative Properties Company
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Nicolas A. Echeverri
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D23 - Environmental heating and cooling
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Hearing protector
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Patent number D807584
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Issue date Jan 9, 2018
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue
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Hearing protector headband
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Patent number D807585
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Issue date Jan 9, 2018
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue
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-
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Hearing protector
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Patent number D766520
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Issue date Sep 13, 2016
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue
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Hearing protector
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Patent number D764717
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Issue date Aug 23, 2016
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue
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Hearing protector headband
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Patent number D763518
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Issue date Aug 9, 2016
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue
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Hearing protector
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Patent number D753884
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Issue date Apr 12, 2016
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3M Innovative Properties Company
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Brenda M. Bonney
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D29 - Equipment for safety, protection, and rescue
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Hearing protector
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Patent number D752816
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Issue date Mar 29, 2016
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3M Innovative Properties Company
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Douglas D. Fletcher
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D29 - Equipment for safety, protection, and rescue