MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511126319 A) filed by Raghav Productivity Solutions Private Limited, Jaipur, Rajasthan, on Dec. 13, 2025, for 'closed-loop ball mill with air separator.'
Inventor(s) include Sanjay Kabra.
The application for the patent was published on Jan. 23, under issue no. 04/2026.
According to the abstract released by the Intellectual Property India: "Closed-Loop Ball Mill with Air Separator The present invention discloses a closed-loop ultrafine grinding and fines-management system for processing silica-bearing aggregates such as quartz and quartzite, designed to produce a consistent 150-200 mesh ultrafine silica fraction for ramming mass and other refracto...