United States
US 12,702,874 B2
Negative pressure reusable respirator system for safety event detection
US 12,702,874 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: 3M INNOVATIVE PROPERTIES COMPANY. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- 3M INNOVATIVE PROPERTIES COMPANY
- Inventors
- David R. Stein; Caroline M. Ylitalo; Craig E. Colton; Steven T. Awiszus; Shane A. Hainey; Richard C. Webb; Scott A. Larson; Andrew W. Long; Daniel B. Taylor
- Publication date
- 2026-08-11
- Filing date
- 2021-06-18
- Document type
- B2 Granted patent
- Also written as
- US 12,702,874 B2 · US12702874 · 12702874
Abstract
A system includes a negative pressure reusable respirator configured to be worn by a worker and to cover at least a mouth and a nose of the worker, a sensor configured to generate sensor data indicative of a characteristic of air within a work environment, and at least one computing device. The negative pressure reusable respirator includes at least one contaminant capture device configured to remove contaminants from air as the air is drawn through the contaminant capture device when the worker inhales.…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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