MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202531028975 A) filed by Bharat Heavy Electricals Limited on March 27, 2025, for An Inter-Stage Impeller Blade For Multistage Centrifugal Boiler Feed Pump.

Inventors include Kalyani Bangari; and Goli Raghavender Rao.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: This invention relates to multistage centrifugal boiler feed pump assembly, which comprises of a casing suction (1), stage-1 Impeller (2), stage-1 Diffuser and Return Channel Vane (3), stage-2 Impeller (4), stage-2 Diffuser and Return Channel Vane (5), stage-3 Impeller (6), stage-3 Diffuser and Return Channel Vane (7), stage-4 Impeller (8...