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:
Feb. 24, 2026
Filed:
Dec. 16, 2020
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Guillaume Pibre, Clermont-Ferrand, FR;
Francois Lafort, Clermont-Ferrand, FR;
COMPAGNIE GENERALES DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A piezoelectric device comprises at least one piezoelectric layer P interposed between two conductive layers E, each layer E forming an electrode, characterized in that the layer P comprises at least one piezoelectric composition based on at least one elastomer matrix comprising predominantly at least one diene elastomer, a piezoelectric inorganic filler, a carbon black and a crosslinking system, and in that the content of piezoelectric inorganic filler is greater than or equal to 5% by volume, relative to the total volume of the piezoelectric composition, and the content of carbon black is greater than or equal to 6% by volume, relative to the total volume of the piezoelectric composition. A tire comprising at least one piezoelectric device defined above is also set forth.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile