S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
11 Catalytically and Chemically modified Carbon Nanostructures for Storage of Hydrogen S. Ramaprabhu , B. Sangeetha , T.S. Remya , G. Subashini , N. Rajalakshmi , K.S. Dhathathreyan 30/01/2013 405/CHE/2013 24/10/2019 323653
12 A Polymer Electrolyte Membrane (PEM) Cell and a Method of Producing Hydrogen from Aqueous Organic Solutions K.S. Dhathathreyan, R. Balaji, Ramya Krishnan, N. Rajalakshmi 29/10/2012 3313/DEL/2012 19/06/2020 338862
13 Fuel Cell System Equipped with Oxygen Enrichment System Using Magnet K.S.Dhathathreyan , N. Rajalakshmi , B. Viswanath Sasank 25/09/2012 2985/DEL/2012 27/09/2019 321825
14 Electronically and Ionically Conducting Multi-Layer Fuel Cell Electrode and a Method for Making the Same K.S.Dhathathreyan, N. Rajalakshmi, R. Vasudevan, T.P. Sarangan 17/07/2012 2198/DEL/2012 20/11/2020 351830
15 Enhanced Thermal Management Systems for Fuel Cell Applications Using Nanofluid Coolant K.S. Dhathathreyan, N. Rajalakshmi, B. Viswanath Sasank, S. Ramprabhu, Tessy Theres Baby 07/06/2012 1745/DEL/2012 30/06/2020 339836
16 A Device for and A Method of Cooling Fuel Cells K.S.Dhathathreyan, N. Rajalakshmi, B. Viswanath Sasank 08/05/2012 1408/DEL/2012 25/06/2021 370365
17 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 22/06/2010 1449/DEL/2010 27/02/2023 423285
18 An Improved Catalyst Ink useful for Preparing Gas Diffusion Electrode and an Improved PEM Fuel Cell G. Velayutham , N. Rajalakshmi 18/03/2008 680/DEL/2008 30/11/2016 277778
19 Improved Catalyst Ink For Catalyst Coated Membrane Of Electrode Membrane Assembly And The Process Thereof K.S.Dhathathreyan , N. Rajalakshmi 13/03/2008 631/DEL/2008 18/12/2017 290765
20 An Improved Method for the Generation of Hydrogen from a Metal Borohydride and a Device Therefor K.S.Dhathathreyan , K. Ramya , J. Sreenivas , S. Narasimhan , S. Kumar 23/05/2007 1106/DEL/2007 17/07/2017 285257