S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
1 A Method of and an Apparatus for Continuous Humidification of Hydrogen Delivered to Fuel Cells A.Tangirala , V. Gollangi , B. Viswanthan , K.S.Dhathathreyan 670/CHE/2007 247547
2 An Improved Catalyst Ink useful for Preparing Gas Diffusion Electrode and an Improved PEM Fuel Cell G. Velayutham , N. Rajalakshmi 680/DEL/2008 277778
3 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
4 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
5 Improved Catalyst Ink For Catalyst Coated Membrane Of Electrode Membrane Assembly And The Process Thereof K.S.Dhathathreyan , N. Rajalakshmi 631/DEL/2008 290765
6 A Hydrophilic Membrane Based Humidifier useful for Fuel Cells K. S. Dhathathreyan , Ramya Krishnan , J. Sreenivas 95/DEL/2007 291871
7 Improved Fuel Cell having Enhanced Performance N. Rajalakshmi , K.S. Dhathathreyan 606/DEL/2007 301158
8 An Improved Process for Preparing Nanotungsten Carbide Powder useful for Fuel Cells K.S. Dhathathreyan , N. Rajalakshmi , T. Narasinga Rao 81/DEL/2007 303338
9 Fuel Cell System Equipped with Oxygen Enrichment System Using Magnet K.S.Dhathathreyan , N. Rajalakshmi , B. Viswanath Sasank 2985/DEL/2012 321825
10 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