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:
Mar. 17, 2026
Filed:
Dec. 18, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Nicholas T. Gabriel, Grand Rapidsa, MN (US);
Manjiri T. Kshirsagar, Woodbury, MN (US);
Ronald D. Jesme, Plymouth, MN (US);
Justin Tungjunyatham, Roseville, MN (US);
Hamid R. Mortazavi, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Fluid sensing devices including a layer of fluid absorption and distribution material are provided. The layer includes a porous fibrous nonwoven matrix for absorbing fluid from the object to the first major surface of the layer and laterally distributing the absorbed fluid throughout the layer and to a second major surface of the layer opposite the first major surface. Hydration sensors are disposed on the second major surface of the layer to measure a hydration level.