S. No. Title Investor Date of filing Patent Application Number Date of Grant Patent Number
91 An Improved Gas Flow Field Plate for use in Polymer Electrolyte Membrane Fuel Cells (PEMFC) K.S.Dhathathreyan, N. Rajalakshmi, S. Pandiyan, R. Vasudevan, L. Babu, T.P. Sarangan, R. Parthasarathy 2339/DEL/2008 332242