{"number":"US12702872B2","kindCode":"B2","documentType":"grant","title":{"original":"Annular unit for moisture management in respiratory mask","english":"Annular unit for moisture management in respiratory mask"},"abstract":{"original":"Examples of the present disclosure relate generally to absorbing elements in respiratory face masks. In some examples, a structure for respiratory masks that can both absorb moisture from the face (such as perspiration, as well as from condensed moisture in the breath), and maintain a low breath resistance (won't increase the breath resistance significantly) is disclosed herein. The structure includes an annular structure added to the respiratory masks for moisture management. In some examples, the annular structure is made up of moisture absorbent materials.…","english":"Examples of the present disclosure relate generally to absorbing elements in respiratory face masks. In some examples, a structure for respiratory masks that can both absorb moisture from the face (such as perspiration, as well as from condensed moisture in the breath), and maintain a low breath resistance (won't increase the breath resistance significantly) is disclosed herein. The structure includes an annular structure added to the respiratory masks for moisture management. In some examples, the annular structure is made up of moisture absorbent materials.…"},"applicants":["HONEYWELL SAFETY PRODUCTS USA, INC."],"inventors":["Anna Liu","Linan Zhao","Kevin Lu"],"filingDate":"2020-11-11","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702872B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702872B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702872B2","ja":"https://downloadpatent.com/ja/patent/US12702872B2"}}