{"number":"US12702874B2","kindCode":"B2","documentType":"grant","title":{"original":"Negative pressure reusable respirator system for safety event detection","english":"Negative pressure reusable respirator system for safety event detection"},"abstract":{"original":"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.…","english":"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.…"},"applicants":["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"],"filingDate":"2021-06-18","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702874B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702874B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702874B2","ja":"https://downloadpatent.com/ja/patent/US12702874B2"}}