The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Dec. 20, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Richard C. Webb, St. Paul, MN (US);
Andrew W. Long, Woodbury, MN (US);
Jessica L. Tredinnick-Higgins, St. Paul, MN (US);
David R. Stein, White Bear Lake, MN (US);
Daniel B. Taylor, White Bear Lake, MN (US);
Jacob P. Vanderheyden, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
There is provided a computing device comprising: at least one processor; and a memory comprising instructions that, when executed by the at least one processor, cause the at least one processor to: receive first sensor data indicative of a gas characteristic in a sealed space formed by a face of a wearer and a negative pressure reusable respirator; receive second sensor data indicative of a position of at least one valve in the negative pressure reusable respirator; determine comparative data by comparing the first sensor data to the second sensor data; and perform one or more actions in response to the comparative data. There is also provided a system using such computing device.