S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
1 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 13/10/2008 2339/DEL/2008 18/02/2020 332242
2 A Process of Producing Chemically Treated Expanded Graphite and a Device having Such Graphite M.Subramaniam , Pawan Kumar Jain 07/06/1995 562/MAS/1994 05/12/2002 187654