MUMBAI, India, May 2 -- Intellectual Property India has published a patent application (202537038008 A) filed by Hydromecanique Et Frottement, Andrezieux-Boutheon, France, on April 21, for 'improved differential shaft.'

Inventor(s) include Heau, Christophe; and Macron, Etienne.

The application for the patent was published on May 2, under issue no. 18/2025.

According to the abstract released by the Intellectual Property India: "The invention relates to a differential shaft (1) consisting of a substrate having at least one flat region (20) and comprising a coating layer deposited on the substrate. According to the invention, the machining of the flat region (20) defines edges (21) bordering a bearing surface (11) of the substrate, and the ...