Air filter condition sensing
US-11617980-B2 · Apr 4, 2023 · US
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Hemberg Oscar M patents
Hemberg Oscar M is listed as an inventor on 33 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hemberg Oscar M |
| Total patents | 33 |
| First publication | Apr 30, 2015 |
| Latest publication | Apr 4, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Air filter condition sensing
US-11607635-B2 · Mar 21, 2023 · US
Hearing protector
US-D978443-S · Feb 14, 2023 · US
Adaptive electronic hearing protection device
US-11504278-B2 · Nov 22, 2022 · US
Air filter condition sensing
US-2022088525-A1 · Mar 24, 2022 · US
Air filter condition sensing
US-11202982-B2 · Dec 21, 2021 · US
Air filter condition sensing
US-2021346833-A9 · Nov 11, 2021 · US
Air filter condition sensing
US-2020391151-A1 · Dec 17, 2020 · US
Comfort headband for hearing protectors
US-10722404-B2 · Jul 28, 2020 · US
Noise simulating booth for safely testing and demonstrating hearing protection equipment
US-2020178012-A1 · Jun 4, 2020 · US
Recent patents
Latest publications not already listed above.
Air filter condition sensing
US-10646809-B2 · May 12, 2020 · US
Adaptive electronic hearing protection device
US-2020030151-A1 · Jan 30, 2020 · US
Air filter condition sensing
US-2019291037-A1 · Sep 26, 2019 · US
Air filter condition sensing
US-2019262756-A1 · Aug 29, 2019 · US
Air filter condition sensing
US-10363509-B2 · Jul 30, 2019 · US
Hearing protector with compartment for rechargeable battery pack
US-10172742-B2 · Jan 8, 2019 · US
Hearing protector headband
US-D830642-S · Oct 9, 2018 · US
Air filter condition sensing
US-2018140989-A1 · May 24, 2018 · US
Comfort headband for hearing protectors
US-2018014973-A1 · Jan 18, 2018 · US
Hearing protector with compartment for rechargeable battery pack
US-2018014972-A1 · Jan 18, 2018 · US
Hearing protector
US-D807584-S · Jan 9, 2018 · US
Hearing protector headband
US-D807585-S · Jan 9, 2018 · US
Hearing protector headband
US-D805257-S · Dec 12, 2017 · US
Battery pack
US-D795801-S · Aug 29, 2017 · US
Adaptive frequency response, adaptive automatic level control and handling radio communications for a hearing protector
US-9628897-B2 · Apr 18, 2017 · US
Hearing protector
US-D766520-S · Sep 13, 2016 · US
Hearing protector
US-D764717-S · Aug 23, 2016 · US
Hearing protector headband
US-D763518-S · Aug 9, 2016 · US
Hearing protector
US-D753884-S · Apr 12, 2016 · US
Hearing protector
US-D752816-S · Mar 29, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| 3M Innovative Properties Co | 28 |
| 3M Innovative Properties Company | 4 |
| 3M Innovative Properties Co | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N2015/084 | 11 |
| G01N15/0826 | 11 |
| H04W4/38 | 11 |
| B01D46/0086 | 11 |
| B01D46/446 | 11 |