Indian Patent Granted Indian Applications Awaiting Grant International Patents Granted & Awaiting Grant
S. No. Title Investor Date of filing Patent Application Number Date of Grant Patent Number
21 An Improved Catalyst Ink useful for Preparing Gas Diffusion Electrode and an Improved PEM Fuel Cell G. Velayutham , N. Rajalakshmi 680/DEL/2008 277778
22 An Improved Process for the Preparation of Exfoliated Graphite Separator Plates useful in Fuel Cells, the Plates Prepared by the Process and a Fuel Cell Incorporating the Said Plates K.S. Dhathathreyan , N. Rajalakshmi , S. Pandiyan 1206/DEL/2006 281504
23 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 1106/DEL/2007 285257
24 Improved Catalyst Ink For Catalyst Coated Membrane Of Electrode Membrane Assembly And The Process Thereof K.S.Dhathathreyan , N. Rajalakshmi 631/DEL/2008 290765
25 A Hydrophilic Membrane Based Humidifier useful for Fuel Cells K. S. Dhathathreyan , Ramya Krishnan , J. Sreenivas 95/DEL/2007 291871
26 Improved Fuel Cell having Enhanced Performance N. Rajalakshmi , K.S. Dhathathreyan 606/DEL/2007 301158
27 An Improved Process for Preparing Nanotungsten Carbide Powder useful for Fuel Cells K.S. Dhathathreyan , N. Rajalakshmi , T. Narasinga Rao 81/DEL/2007 303338
28 Fuel Cell System Equipped with Oxygen Enrichment System Using Magnet K.S.Dhathathreyan , N. Rajalakshmi , B. Viswanath Sasank 2985/DEL/2012 321825
29 Catalytically and Chemically modified Carbon Nanostructures for Storage of Hydrogen S. Ramaprabhu , B. Sangeetha , T.S. Remya , G. Subashini , N. Rajalakshmi , K.S. Dhathathreyan 405/CHE/2013 323653
30 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 3313/DEL/2012 338862