MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202531030979 A) filed by Bharat Heavy Electricals Limited on March 29, 2025, for Heat Treatment Process For Rotary Vane Pump Shafts.
Inventors include Ramakanth Parkala Kamath; Vivek Arya; Sarang B Mahajan; Kshitij Taneja; and M Naveen Kumar.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: The present invention relates to a process for heat treatment of rotary vane shaft to increase hardness, the process comprising steps of providing and subjecting an untreated steel rod/cylinder or alloy steel rod/cylinder for heat treatment process at pre-machining stage wherein, the process comprising: annealing...