S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
21 A Device for and A Method of Cooling Fuel Cells K.S.Dhathathreyan, N. Rajalakshmi, B. Viswanath Sasank 1408/DEL/2012 370365
22 Method of preparation of carbon supported platinum electrode catalyst for PEM fuel cells and product thereof Dr. N. Rajalakshmi, Vedarajan Raman, Jayaraj Prithi 202011035825 418482
23 An Improved Gas and Coolant Flow Field Plate for use in Polymer Electrolyte Membrane Fuel Cells. K.S.Dhathathreyan, N. Rajalakshmi, R. Velayutham, R. Vasudevan, T.P. Sarangan, R. Parthasarathy 1449/DEL/2010 423285
24 Durable corrosion resistant coating for fuel cell separator and the process thereof S. Rama Krishnan, N. Rajalakshmi, Krishna Valleti 202111051526 558766