Intellectual Property India Publishes Patent Application for A Rectangular Coplanar Labyrinthine Acoustic Metamaterial With Partitioned Variable-Width Cavities For Compact Broadband Low-Frequency Sound Absorption

MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202611062162 A) filed by Indian Institute Of Technology Roorkee on May 15, 2026, for A Rectangular Coplanar Labyrinthine Acoustic Metamaterial With Partitioned Variable-Width Cavities For Compact Broadband Low-Frequency Sound Absorption.

Inventors include Mr. Siddharth Shrivastava; and Prof. Sneha Singh.

The application for the patent was published on July 17, 2026, under issue no. 29/2026.

Abstract: The present invention relates to a rectangular coplanar labyrinthine acoustic metamaterial having partitioned variable-width cavities for compact broadband low-frequency sound absorption. The structure comprises multiple partitioned cavities, where each...