MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641063795 A) filed by Aaroha Engineers Private Limited, Valanchery, Kerala, on May 20, for 'modular stackable lift shaft structure with internal connector insert and hidden fastening arrangement.'

Inventor(s) include Arun M; and C M Muraleedharan.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "A modular lift shaft structure comprises stackable ring structures and vertical posts forming a lift shaft assembly. Each ring structure includes ring socket members receiving tongue insert connectors positioned within hollow interiors of the vertical po...