MUMBAI, India, Oct. 31 -- Intellectual Property India has published a patent application (202411029207 A) filed by Engineers India Limited, New Delhi, on April 10, 2024, for 'an air heater.'

Inventor(s) include Sadhna Singh; Harshita Gupta; and Abhishek Sharma.

The application for the patent was published on Oct. 31, under issue no. 44/2025.

According to the abstract released by the Intellectual Property India: "Present disclosure relates to an air heater (100) that includes a housing (10), a plurality of tubes (40), a plurality of fins (50), and an air source (60). The housing (10) may be defined with a first header box (20) and a second header box (30) at either ends of the housing (10). At least one of the first header box (20) and th...