Personal protective equipment safety system using contextual information from industrial control systems
US-12472391-B2 · Nov 18, 2025 · US
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Stein David R patents
Stein David R is listed as an inventor on 22 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Stein David R |
| Total patents | 22 |
| First publication | Mar 9, 2017 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Personal protective equipment safety system using contextual information from industrial control systems
US-2025058155-A1 · Feb 20, 2025 · US
Respirator negative pressure fit check devices and methods
US-2025050141-A1 · Feb 13, 2025 · US
Personal protective equipment safety system using contextual information from industrial control systems
US-12168150-B2 · Dec 17, 2024 · US
Respirator negative pressure fit check devices and methods
US-12128259-B2 · Oct 29, 2024 · US
Dynamically determining safety equipment for dynamically changing environments
US-11933453-B2 · Mar 19, 2024 · US
Fit-test method for respirator with sensing system
US-11534632-B2 · Dec 27, 2022 · US
Systems and methods for automated respirator
US-2022080228-A1 · Mar 17, 2022 · US
Negative pressure reusable respirator system for safety event detection
US-2022054869-A1 · Feb 24, 2022 · US
Systems and methods for automated respirator
US-2022040507-A1 · Feb 10, 2022 · US
Recent patents
Latest publications not already listed above.
Dynamically determining safety equipment for dynamically changing environments
US-2021372561-A1 · Dec 2, 2021 · US
Automatic personal protective equipment constraint management system
US-2021350312-A1 · Nov 11, 2021 · US
Tool capture and presentation system
US-11145333-B2 · Oct 12, 2021 · US
Respirator negative pressure fit check devices and methods
US-2021290992-A1 · Sep 23, 2021 · US
Personal protective equipment safety system using contextual information from industrial control systems
US-2021210202-A1 · Jul 8, 2021 · US
Respirator negative pressure fit check devices and methods
US-11052268-B2 · Jul 6, 2021 · US
Tool capture and presentation system
US-2021142827-A1 · May 13, 2021 · US
Personal protective device strap connecting buckle assembly
US-10765176-B2 · Sep 8, 2020 · US
Fit-Test Method For Respirator With Sensing System
US-2020230444-A1 · Jul 23, 2020 · US
Respirator negative pressure fit check devices and methods
US-9950202-B2 · Apr 24, 2018 · US
Respirator mask having a face seal flexing region
US-D787660-S · May 23, 2017 · US
Personal Protective Device Strap Connecting Buckle Assembly
US-2017065036-A1 · Mar 9, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| 3M Innovative Properties Co | 13 |
| 3M Innovative Properties Company | 7 |
| Adobe Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A62B27/00 | 10 |
| A62B18/10 | 7 |
| A62B99/00 | 7 |
| A62B18/02 | 5 |
| A62B18/025 | 4 |