MUMBAI, India, Aug. 29 -- Intellectual Property India has published a patent application (202517076385 A) filed by Nippon Piston Ring Co. Ltd., Saitama, Japan, on Aug. 11, for 'valve seat formed of iron-based sintered alloy for internal combustion engines and method for producing same.'

Inventor(s) include Ikemi Satoshi; and Sato Katsuaki.

The application for the patent was published on Aug. 29, under issue no. 35/2025.

According to the abstract released by the Intellectual Property India: "The present invention provides a valve seat which is formed of an iron-based sintered alloy and has excellent wear resistance and excellent radial crushing strength. The valve seat is a sintered body having a two-layer structure, the sintered body bei...