Filter cartridge holder with fit-check device
US-12383773-B2 · Aug 12, 2025 · US
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Dwyer Gary E patents
Dwyer Gary E is listed as an inventor on 30 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dwyer Gary E |
| Total patents | 30 |
| First publication | Jun 23, 2015 |
| Latest publication | Aug 12, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Respirator filter cartridge
US-D1064277-S · Feb 25, 2025 · US
Respirator filter cartridge
US-D1064276-S · Feb 25, 2025 · US
Respirator negative pressure fit check devices and methods
US-2025050141-A1 · Feb 13, 2025 · US
Respirator negative pressure fit check devices and methods
US-12128259-B2 · Oct 29, 2024 · US
Filter cartridge holder with fit-check device
US-2022072346-A1 · Mar 10, 2022 · US
Filter cartridge holder with fit-check device
US-11219788-B2 · Jan 11, 2022 · US
Respirator filter cartridge
US-D936226-S · Nov 16, 2021 · US
Respirator negative pressure fit check devices and methods
US-2021290992-A1 · Sep 23, 2021 · US
Respirator negative pressure fit check devices and methods
US-11052268-B2 · Jul 6, 2021 · US
Recent patents
Latest publications not already listed above.
Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using
US-10751660-B2 · Aug 25, 2020 · US
Respirator filter
US-D887553-S · Jun 16, 2020 · US
Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using
US-2018361295-A1 · Dec 20, 2018 · US
Filter cartridge holder with fit-check device
US-2018353783-A1 · Dec 13, 2018 · US
Respirator negative pressure fit check devices and methods
US-9950202-B2 · Apr 24, 2018 · US
Air filtration device
US-9744493-B2 · Aug 29, 2017 · US
Respirator cartridge having an engagement latch
US-D795415-S · Aug 22, 2017 · US
Filter cartridge
US-D778430-S · Feb 7, 2017 · US
Respiratory mask having a clean air inlet chamber
US-9517367-B2 · Dec 13, 2016 · US
Filter systems including patterned optical analyte sensors and optical readers
US-9440176-B2 · Sep 13, 2016 · US
Respirator cartridge body
US-D763437-S · Aug 9, 2016 · US
Respirator cartridge
US-D762845-S · Aug 2, 2016 · US
Side plug-in filter cartridge
US-9393448-B2 · Jul 19, 2016 · US
Respirator cartridge body
US-D757928-S · May 31, 2016 · US
Respirator cartridge
US-D757247-S · May 24, 2016 · US
Refillable filter system
US-9259676-B2 · Feb 16, 2016 · US
Respirator mask having a communication grille
US-D746437-S · Dec 29, 2015 · US
Respirator filter cover
US-D746438-S · Dec 29, 2015 · US
Respirator filter retainer
US-D745962-S · Dec 22, 2015 · US
Respirator filter
US-D732670-S · Jun 23, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| 3M Innovative Properties Co | 25 |
| 3M Innovative Properties Company | 5 |
| Dwyer Gary E | 3 |
| Legare Pierre | 3 |
| Murphy Andrew | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A62B23/02 | 9 |
| A62B27/00 | 9 |
| A62B7/10 | 8 |
| A62B18/10 | 6 |
| A62B18/025 | 5 |